A human skull is seen at a construction site in the former war zone in Mannar, about 327 km (203 miles) from the capital Colombo, January 16, 2014. The discovery of a mass grave containing more than 30 skulls in northern Sri Lanka has fuelled speculation that there may be many more like it containing the remains of thousands who went missing during the island nation's nearly three-decade war. The remains, which workers stumbled on as they dug up roadside paving for a water project, are yet to be identified. The first mass grave to be found in the former war zone, it is spread over an area measuring about 400 square feet (37 square metres) and is 5 feet (1.5 metres) deep. Picture taken January 16, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: CONFLICT) 

A police officer takes a video of human skeletons at a construction site in the former war zone in Mannar, about 327 km (203 miles) from the capital Colombo, January 16, 2014. The discovery of a mass grave containing more than 30 skulls in northern Sri Lanka has fuelled speculation that there may be many more like it containing the remains of thousands who went missing during the island nation's nearly three-decade war. The remains, which workers stumbled on as they dug up roadside paving for a water project, are yet to be identified. The first mass grave to be found in the former war zone, it is spread over an area measuring about 400 square feet (37 square metres) and is 5 feet (1.5 metres) deep. Picture taken January 16, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: CONFLICT) 

A police officer uses a brush to excavate a human skeleton at a construction site in the former war zone in Mannar, about 327 km (203 miles) from the capital Colombo, January 16, 2014. The discovery of a mass grave containing more than 30 skulls in northern Sri Lanka has fuelled speculation that there may be many more like it containing the remains of thousands who went missing during the island nation's nearly three-decade war. The remains, which workers stumbled on as they dug up roadside paving for a water project, are yet to be identified. The first mass grave to be found in the former war zone, it is spread over an area measuring about 400 square feet (37 square metres) and is 5 feet (1.5 metres) deep. Picture taken January 16, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: CONFLICT) 

Marked human skulls are seen at a construction site in the former war zone in Mannar, about 327 km (203 miles) from the capital Colombo, January 16, 2014. The discovery of a mass grave containing more than 30 skulls in northern Sri Lanka has fuelled speculation that there may be many more like it containing the remains of thousands who went missing during the island nation's nearly three-decade war. The remains, which workers stumbled on as they dug up roadside paving for a water project, are yet to be identified. The first mass grave to be found in the former war zone, it is spread over an area measuring about 400 square feet (37 square metres) and is 5 feet (1.5 metres) deep. Picture taken January 16, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: CONFLICT) 

Fragments of a human skull are seen at a construction site in the former war zone in Mannar, about 327 km (203 miles) from the capital Colombo, January 16, 2014. The discovery of a mass grave containing more than 30 skulls in northern Sri Lanka has fuelled speculation that there may be many more like it containing the remains of thousands who went missing during the island nation's nearly three-decade war. The remains, which workers stumbled on as they dug up roadside paving for a water project, are yet to be identified. The first mass grave to be found in the former war zone, it is spread over an area measuring about 400 square feet (37 square metres) and is 5 feet (1.5 metres) deep. Picture taken January 16, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: CONFLICT) 

A marked human skeleton is seen at a construction site in the former war zone in Mannar, about 327 km (203 miles) from the capital Colombo January 16, 2014. The discovery of a mass grave containing more than 30 skulls in northern Sri Lanka has fuelled speculation that there may be many more like it containing the remains of thousands who went missing during the island nation's nearly three-decade war. The remains, which workers stumbled on as they dug up roadside paving for a water project, are yet to be identified. The first mass grave to be found in the former war zone, it is spread over an area measuring about 400 square feet (37 square metres) and is 5 feet (1.5 metres) deep. Picture taken January 16, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: CONFLICT) 

Marked human skulls are seen at a construction site in the former war zone in Mannar, about 327 km (203 miles) from the capital Colombo, January 16, 2014. The discovery of a mass grave containing more than 30 skulls in northern Sri Lanka has fuelled speculation that there may be many more like it containing the remains of thousands who went missing during the island nation's nearly three-decade war. The remains, which workers stumbled on as they dug up roadside paving for a water project, are yet to be identified. The first mass grave to be found in the former war zone, it is spread over an area measuring about 400 square feet (37 square metres) and is 5 feet (1.5 metres) deep. Picture taken January 16, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: CONFLICT TPX IMAGES OF THE DAY) 

Oil workers arrive on the island of Chilov in the Caspian Sea, about 70 km (44 miles) east of Baku, January 23, 2013. Oil in Azerbaijan dates back to the 19th century and though the industry faltered when the country gained independence after the fall of the Soviet Union, investment has returned, new reserves tapped and oil started to flow again. Forty three million tonnes of oil was pumped in 2011 and contributed more than half of Azerbaijan's gross domestic product (GDP). Picture taken January 23, 2013. REUTERS/David Mdzinarishvili (AZERBAIJAN - Tags: ENERGY ENVIRONMENT BUSINESS SOCIETY)

ATTENTION EDITORS: PICTURE 3 OF 26 FOR PACKAGE 'OIL IN THE BLOOD'
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A man rides his tricycle taxi on a flooded street after Hurricane Sandy in the village of Sagua La Grande in central Cuba, around 240 km (149 miles) east of Havana October 29, 2012. Hurricane Sandy closed in on the United States on Saturday as coastal communities along the East Coast scrambled to prepare for torrential rains, high winds, major flooding and power outages a week before the presidential election. REUTERS/Desmond Boylan (CUBA - Tags: DISASTER ENVIRONMENT) 

People climb on a horse-pulled cart in the village of Palpite, 150 km (93 miles) southeast of Havana April 8, 2012. Cubans use horse-pulled carts to move short distances of up to five km (three miles) and pay a fee of around $0.05 or $0.10 for a ride. REUTERS/Desmond Boylan (CUBA - Tags: SOCIETY ANIMALS TRANSPORT) 

Girls throw snow balls at each other during a snowstorm in Porto Santo Stefano, 170km (106 miles) north of Rome and 11km (11 miles) from the Giglio Island February 10, 2012. Salvage and rescue operations on the capsized Costa Concordia were faced with a new obstacle on Friday as rare snowfall hit the island of Giglio, and stopping ferry services out of Porto Santo Stefano to the island . Bad weather has already delayed plans to begin removing the 2,300 tonnes of diesel fuel in the Concordia's tanks, an operation expected to take from three weeks to a month once it gets under way. Meteorologists have issued an adverse weather warning for the next 24-36 hours, with snowfall expected in many parts of the country over the week-end, with Italy's interior ministry has advised against all non-essential travel. REUTERS/Giampiero Sposito (ITALY) 

Children run under a snowstorm in Porto Santo Stefano, 170km (106 miles) north of Rome and 11km (11 miles) from the Giglio Island February 10, 2012. Salvage and rescue operations on the capsized Costa Concordia were faced with a new obstacle on Friday as rare snowfall hit the island of Giglio, and stopping ferry services out of Porto Santo Stefano to the island . Bad weather has already delayed plans to begin removing the 2,300 tonnes of diesel fuel in the Concordia's tanks, an operation expected to take from three weeks to a month once it gets under way. Meteorologists have issued an adverse weather warning for the next 24-36 hours, with snowfall expected in many parts of the country over the week-end, with Italy's interior ministry has advised against all non-essential travel. REUTERS/Giampiero Sposito (ITALY - Tags: ENVIRONMENT) 

Cars make their way during a snowstorm in Porto Santo Stefano, 170km (106 miles) north of Rome and 11km (11 miles) from the Giglio Island February 10, 2012. Salvage and rescue operations on the capsized Costa Concordia were faced with a new obstacle on Friday as rare snowfall hit the island of Giglio, and stopping ferry services out of Porto Santo Stefano to the island . Bad weather has already delayed plans to begin removing the 2,300 tonnes of diesel fuel in the Concordia's tanks, an operation expected to take from three weeks to a month once it gets under way. Meteorologists have issued an adverse weather warning for the next 24-36 hours, with snowfall expected in many parts of the country over the week-end, with Italy's interior ministry has advised against all non-essential travel. REUTERS/Giampiero Sposito (ITALY - Tags: ENVIRONMENT TPX IMAGES OF THE DAY) 

Cars make their way during a snowstorm in Porto Santo Stefano, 170km (106 miles) north of Rome and 11km (11 miles) from the Giglio Island February 10, 2012. Salvage and rescue operations on the capsized Costa Concordia were faced with a new obstacle on Friday as rare snowfall hit the island of Giglio, stopping ferry services out of Porto Santo Stefano to the island . Bad weather has already delayed plans to begin removing the 2,300 tonnes of diesel fuel in the Concordia's tanks, an operation expected to take from three weeks to a month once it gets under way. Meteorologists have issued an adverse weather warning for the next 24-36 hours, with snowfall expected in many parts of the country over the week-end, with Italy's interior ministry has advised against all non-essential travel. REUTERS/Giampiero Sposito (ITALY - Tags: ENVIRONMENT) 

Dead seabirds are seen on the shore as thick fuel-oil from the stricken container ship Rena fouls beaches at Papamoa, near Tauranga October 12, 2011. The 47,230-tonne Liberian-flagged Rena has been stranded on a reef 12 nautical miles off Tauranga on the east coast of New Zealand's North Island since running aground a week ago and authorities estimated 300 tonnes of oil have escaped from the ship, causing the country's worst environmental disaster in decades. REUTERS/Mike Hutchings (NEW ZEALAND - Tags: ENVIRONMENT DISASTER BUSINESS ANIMALS ENERGY) 

Policemen stand guard near the area after they stopped a truck carrying coffins prepared for three Japanese lawmakers by a protester near the Japanese embassy in Seoul August 1, 2011. The protester was planning to place the coffins in front of the embassy to denounce Japan's sovereignty claim on islands called Dokdo in Korean and Takeshima in Japanese. South Korea on Monday denied the entry of three Japanese lawmakers, who planned to visit South Korea's Ulleung Island located about 87 km (54 miles) from the remote volcanic islets, to protest against South Korea's claim of the islands. REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: POLITICS CIVIL UNREST) 

Policemen (R) patrol the area after they stopped a truck carrying coffins prepared for three Japanese lawmakers by a protester near the Japanese embassy in Seoul August 1, 2011. The protester was planning to place the coffins in front of the embassy to denounce Japan's sovereignty claim on islands called Dokdo in Korean and Takeshima in Japanese. South Korea on Monday denied the entry of three Japanese lawmakers, who planned to visit South Korea's Ulleung Island located about 87 km (54 miles) from the remote volcanic islets, to protest against South Korea's claim of the islands. REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: POLITICS CIVIL UNREST) 

Protesters chant slogans during an anti-Japan rally denouncing Japan's sovereignty claim on islands called Dokdo in Korean and Takeshima in Japanese in front of the Japanese embassy in Seoul August 1, 2011. South Korea on Monday denied the entry of three Japanese lawmakers, who planned to visit South Korea's Ulleung Island located about 87 km (54 miles) from the remote volcanic islets, to protest against South Korea's claim of the islands. A sign (front) reads,"Dokdo is our land". REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: POLITICS CIVIL UNREST) 

Japanese lawmakers from the opposition Liberal Democratic Party Yoshitaka Shindo (C), Tomomi Inada (3rd L) and Masahisa Sato (2nd L), walk to catch their flight to South Korea's Gimpo airport from Haneda airport in Tokyo August 1, 2011. The three departed for South Korea on Monday to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao (JAPAN - Tags: POLITICS) 

Japanese lawmakers from the opposition Liberal Democratic Party Yoshitaka Shindo (L), Tomomi Inada (C) and Masahisa Sato head towards the departure gate for their flight to South Korea's Gimpo airport from Haneda airport in Tokyo August 1, 2011. The three departed for South Korea on Monday to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao(JAPAN - Tags: POLITICS) 

Japanese lawmaker from the opposition Liberal Democratic Party Yoshitaka Shindo speaks to reporters before flying to South Korea's Gimpo airport from Haneda airport in Tokyo August 1, 2011. Three Japanese lawmakers departed for South Korea on Monday to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao (JAPAN - Tags: POLITICS HEADSHOT) 

Japanese lawmakers from the opposition Liberal Democratic Party Yoshitaka Shindo (3rd L), Tomomi Inada (4th L) and Masahisa Sato (2nd L), speak to reporters before flying to South Korea's Gimpo airport from Haneda airport in Tokyo August 1, 2011. The three departed for South Korea on Monday to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao(JAPAN - Tags: POLITICS) 

Japanese lawmakers from the opposition Liberal Democratic Party Yoshitaka Shindo (C), Tomomi Inada (R) and Masahisa Sato, speak to reporters before flying to South Korea's Gimpo airport from Haneda airport in Tokyo August 1, 2011. The three departed for South Korea on Monday to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao (JAPAN - Tags: POLITICS IMAGES OF THE DAY) 

Japanese lawmaker from the opposition Liberal Democratic Party Yoshitaka Shindo, shakes hands with his supporters before departing for South Korea's Gimpo airport from Haneda airport in Tokyo August 1, 2011. Three Japanese lawmakers departed for South Korea on Monday to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao (JAPAN - Tags: POLITICS) 

Japanese lawmakers from the opposition Liberal Democratic Party Yoshitaka Shindo (L) and Tomomi Inada (C) walk in Haneda airport before their flight to South Korea's Gimpo airport, in Tokyo August 1, 2011. Three Japanese lawmakers departed for South Korea on Monday to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao(JAPAN - Tags: POLITICS) 

Japanese lawmakers from the opposition Liberal Democratic Party Yoshitaka Shindo (C), Tomomi Inada (R) and Masahisa Sato, speak to reporters before flying to South Korea's Gimpo airport from Haneda airport in Tokyo August 1, 2011. The three departed for South Korea to visit Ulleung Island, located about 87 km (54 miles) from the disputed islands known as Dokdo in South Korea, or Takeshima in Japan. Japan and South Korea have a long-simmering feud over the islands, which are about equidistant from both countries. REUTERS/Yuriko Nakao (JAPAN - Tags: POLITICS) 

Festival-goers cheer in front of a stage at the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Festival-goers cheer in front of a stage at the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Festival-goers cheer in front of a stage at the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers.REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Festival-goers cheer in front of a stage at the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Musician Jimmy Stafford of the U.S. band Train performs on stage during the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Singer Patrick Monahan of the U.S. band Train performs on stage during the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Singer Patrick Monahan of the U.S. band Train performs on stage during the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Festival-goers attend the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT) 

Festival-goers attend the Donauinselfest (or Danube Island Festival) in Vienna June 24, 2011. The three-day Donauinselfest consists of a 4.5 km (2.8 miles) festival area, involves 2,000 performing artists and is expected to draw around 3 million visitors in the largest open air festival in Europe, according to organizers. REUTERS/Lisi Niesner (AUSTRIA - Tags: ENTERTAINMENT) 

Buddhists bow about three hundred times to show how much they wish for peaceful reunification during a mass for victims of the 1950-53 Korean War, the Cheonan naval ship incident and the Yeonpyeong island artillery attack by North Korea, at Imjingak pavilion near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, June 5, 2011, on the eve of South Korea's Memorial Day to commemorate fallen patriots. The religious group also demanded a restart of food aids for starving North Koreans. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS MILITARY) 

A tuna fish is carried on a tricycle taxi in Havana May 20, 2011. The Tuna fish was caught by Cuban fisherman Yordan Martinez in what is his biggest catch till date, taking him around four hours using a 130 pound big game fishing line trolling from his boat around 5 miles from the shore north of Havana. REUTERS/Desmond Boylan (CUBA - Tags: SOCIETY ANIMALS EMPLOYMENT BUSINESS IMAGES OF THE DAY) 

Environmental activists wearing masks while holding crosses take part in a rally demanding the government halt the building of more nuclear plants in South Korea, in Seoul March 28, 2011, on the 32nd anniversary of U.S. Three Mile Island nuclear power plant accident in 1979. South Korea, a major global supplier of nuclear plants, will carry on with its nuclear plans despite the crisis at a quake-hit nuclear complex in nearby Japan, a government minister said on Monday. Nuclear power accounts for 31.4 percent of South Korea's electricity generation needs, and the world's fifth-largest oil importer has a target to increase that to 48.5 percent by 2024. It has 7 reactors under construction, with plans to build 6 more and bring to 34 the number on-stream by 2024. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ENVIRONMENT ANNIVERSARY) 

Environmental activists wearing masks while holding crosses take part in a rally demanding the government halt the building of more nuclear plants in South Korea, in Seoul March 28, 2011, on the 32nd anniversary of U.S. Three Mile Island nuclear power plant accident in 1979. South Korea, a major global supplier of nuclear plants, will carry on with its nuclear plans despite the crisis at a quake-hit nuclear complex in nearby Japan, a government minister said on Monday. Nuclear power accounts for 31.4 percent of South Korea's electricity generation needs, and the world's fifth-largest oil importer has a target to increase that to 48.5 percent by 2024. It has 7 reactors under construction, with plans to build 6 more and bring to 34 the number on-stream by 2024. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ENVIRONMENT ANNIVERSARY) 

An environmental activist wearing a mask takes part in a rally demanding the government halt the building of more nuclear plants in South Korea, in Seoul March 28, 2011, on the 32nd anniversary of U.S. Three Mile Island nuclear power plant accident in 1979. South Korea, a major global supplier of nuclear plants, will carry on with its nuclear plans despite the crisis at a quake-hit nuclear complex in nearby Japan, a government minister said on Monday. Nuclear power accounts for 31.4 percent of South Korea's electricity generation needs, and the world's fifth-largest oil importer has a target to increase that to 48.5 percent by 2024. It has 7 reactors under construction, with plans to build 6 more and bring to 34 the number on-stream by 2024. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ENVIRONMENT ANNIVERSARY) 

Environmental activists wearing masks shout slogans during a rally demanding the government halt the building of more nuclear plants in South Korea, in Seoul March 28, 2011, on the 32nd anniversary of U.S. Three Mile Island nuclear power plant accident in 1979. South Korea, a major global supplier of nuclear plants, will carry on with its nuclear plans despite the crisis at a quake-hit nuclear complex in nearby Japan, a government minister said on Monday. Nuclear power accounts for 31.4 percent of South Korea's electricity generation needs, and the world's fifth-largest oil importer has a target to increase that to 48.5 percent by 2024. It has 7 reactors under construction, with plans to build 6 more and bring to 34 the number on-stream by 2024. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ENVIRONMENT ANNIVERSARY) 

Environmental activists shout slogans during a rally demanding the government halt the building of more nuclear plants in South Korea, in Seoul March 28, 2011, on the 32nd anniversary of U.S. Three Mile Island nuclear power plant accident in 1979. South Korea, a major global supplier of nuclear plants, will carry on with its nuclear plans despite the crisis at a quake-hit nuclear complex in nearby Japan, a government minister said on Monday. Nuclear power accounts for 31.4 percent of South Korea's electricity generation needs, and the world's fifth-largest oil importer has a target to increase that to 48.5 percent by 2024. It has 7 reactors under construction, with plans to build 6 more and bring to 34 the number on-stream by 2024. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ENVIRONMENT ANNIVERSARY) 

Environmental activists perform during a rally demanding the government halt the building of more nuclear plants in South Korea, in Seoul March 28, 2011, on the 32nd anniversary of U.S. Three Mile Island nuclear power plant accident in 1979. South Korea, a major global supplier of nuclear plants, will carry on with its nuclear plans despite the crisis at a quake-hit nuclear complex in nearby Japan, a government minister said on Monday. Nuclear power accounts for 31.4 percent of South Korea's electricity generation needs, and the world's fifth-largest oil importer has a target to increase that to 48.5 percent by 2024. It has 7 reactors under construction, with plans to build 6 more and bring to 34 the number on-stream by 2024. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ENVIRONMENT ANNIVERSARY) 

Environmental activists perform during a rally demanding the government halt the building of more nuclear plants in South Korea, in Seoul March 28, 2011, on the 32nd anniversary of U.S. Three Mile Island nuclear power plant accident in 1979. South Korea, a major global supplier of nuclear plants, will carry on with its nuclear plans despite the crisis at a quake-hit nuclear complex in nearby Japan, a government minister said on Monday. Nuclear power accounts for 31.4 percent of South Korea's electricity generation needs, and the world's fifth-largest oil importer has a target to increase that to 48.5 percent by 2024. It has 7 reactors under construction, with plans to build 6 more and bring to 34 the number on-stream by 2024. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ENVIRONMENT ANNIVERSARY) 

Birds are seen along the shore of the Susquehanna River near the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY DISASTER ENVIRONMENT ANIMALS BUSINESS) 

The Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, is seen across the Susquehanna River in Middletown, Pennsylvania in this night view taken March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY DISASTER ENVIRONMENT BUSINESS IMAGES OF THE DAY) 

The Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, is seen across the Susquehanna River in Middletown, Pennsylvania in this night view taken March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY DISASTER ENVIRONMENT BUSINESS) 

Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, is seen across the Susquehanna River in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES) 

Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, is seen across the Susquehanna River in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES) 

The Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, is seen across the Susquehanna River in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES) 

The Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, is seen across the Susquehanna River in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES) 

Two defunct cooling towers at the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, are seen across the Susquehanna River in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY DISASTER BUSINESS ENVIRONMENT) 

A car passes by the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, in Middletown, Pennsylvania, March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY DISASTER BUSINESS) 

A U.S. flag flies near the cooling towers of the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY DISASTER BUSINESS IMAGES OF THE DAY) 

Ernie Garrison rakes his son's front yard across from the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY ENVIRONMENT POLITICS BUSINESS) 

A general view shows houses of residents near the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY ENVIRONMENT POLITICS BUSINESS) 

A vehicle is reflected in a mirror on a road near the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY ENVIRONMENT POLITICS BUSINESS) 

A general view shows the Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY ENVIRONMENT POLITICS BUSINESS) 

The Three Mile Island nuclear power plant, where the U.S. suffered its most serious nuclear accident in 1979, is pictured through a dormant corn field in Middletown, Pennsylvania March 15, 2011. U.S. regulators should press ahead with approving construction licenses for new nuclear power plants despite Japan's nuclear crisis, President Barack Obama's top energy official Energy Secretary Steven Chu said on Tuesday. REUTERS/Jonathan Ernst (UNITED STATES - Tags: ENERGY ENVIRONMENT POLITICS BUSINESS)