Tibetan prayer flags flutter above the Larung valley and its Larung Wuming Buddhist Institute, located some 3700 to 4000 metres above the sea level in remote Sertar county, Garze Tibetan Autonomous Prefecture, Sichuan province, China October 30, 2015. Reuters Photographer Damir Sagolj: "The view from among Larung Wuming monastery is breathtaking. Colourful Tibetan prayer flags flutter, clouds scud across dark blue sky; in the valley, miniature people go about their business. The occasion: the Utmost Bliss Dharma Assembly, to mark Buddha's descent from Tushita Heaven. Tens of thousands of believers join monks and nuns in daily chanting and praying. The main gathering point is a Buddhist laymen lodge. Even before the sun comes out people start arriving, sitting on the frozen ground and praying in sub-zero temperatures. Tibetans' traditional clothes - funky hats and jackets with endless sleeves - seem to keep out the cold much better than my fancy all-weather gear. Thankfully, I get some of the hot yak-butter tea distributed to believers shivering under blankets. Then the sun comes out behind the hill, hitting straight into my cameras. Pictures are painted in gold and I play with flares in my lenses, a rare pleasure. I enjoy every second. Chanting, praying and listening to monks' teaching lasts eight days, from sunrise to sunset. We climb another hill to see sky burials: bodies of deceased ethnic Tibetans offered to vultures. On the top of yet another hill we visit monasteries and simple monks' homes to see how they live. We eat vegetarian food and drink more yak-butter tea, almost forgetting about the 15-hour return drive. Somehow the bends in the road don't seem as tortuous nor the trip so endless. Perhaps that's what a pilgrimage does for you." Picture taken October 30, 2015. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY TPX IMAGES OF THE DAY

The view from among Larung Wuming monastery is breathtaking. Colourful Tibetan prayer flags flutter, clouds scud across dark blue sky; in the valley, miniature people go about their business. The occasion: the Utmost Bliss Dharma Assembly, to mark Buddha's descent from Tushita Heaven. Tens of thousands of believers join monks and nuns in daily chanting and praying. Even before the sun comes out people start arriving, sitting on the frozen ground and praying in sub-zero temperatures. Tibetans' traditional clothes - funky hats and jackets with endless sleeves - seem to keep out the cold much better than my fancy all-weather gear. Thankfully, I get some of the hot yak-butter tea distributed to believers shivering under blankets. Then the sun comes out behind the hill, hitting straight into my cameras. Pictures are painted in gold and I play with flares in my lenses, a rare pleasure. I enjoy every second. Chanting, praying and listening to monks' teaching lasts eight days, from sunrise to sunset. We climb another hill to see sky burials: bodies of deceased ethnic Tibetans offered to vultures. On the top of yet another hill we visit monasteries and simple monks' homes to see how they live. We eat vegetarian food and drink more yak-butter tea, almost forgetting about the 15-hour return drive. Somehow the bends in the road don't seem as tortuous nor the trip so endless. Perhaps that's what a pilgrimage does for you. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY TPX IMAGES OF THE DAY

Ethnic Tibetans offer yak butter tea at a Buddhist laymen lodge where thousands gather for daily chanting session during the Utmost Bliss Dharma Assembly, the last of the four Dharma assemblies at Larung Wuming Buddhist Institute in remote Sertar county, Garze Tibetan Autonomous Prefecture, Sichuan province, China October 31, 2015. The traditional tea is made of zanba (roasted Qingke highland barley flour), milk and butter. The eight-day gathering of people chanting mantras and listening to teachings of monks starts every year around the 22nd of the ninth month on Tibetan calendar, the great day of Buddha's Descending from Tushita Heavens. The Larung Wuming Buddhist Institute, located some 3700 to 4000 metres above the sea level was founded in 1980 by Khenpo Jigme Phuntsok, an influential lama of Nyingma sect of Tibetan buddhism with only around 30 students but is now widely known as one of the biggest centres to study Tibetan Buddhism in the world. Picture taken October 31, 2015. REUTERS/Damir Sagolj 

Tibetan Buddhist nuns protect themselves from sub zero temperatures with yak butter tea and warm clothes as they wait for morning chanting session to begin at Buddhist laymen lodge during the Utmost Bliss Dharma Assembly, the last of the four Dharma assemblies at Larung Wuming Buddhist Institute in remote Sertar county, Garze Tibetan Autonomous Prefecture, Sichuan province, China November 1, 2015. The eight-day gathering starts every year around the 22nd of the ninth month on Tibetan calendar, the great day of Buddha's Descending from Tushita Heavens. The Larung Wuming Buddhist Institute, located some 3700 to 4000 metres above the sea level was founded in 1980 by Khenpo Jigme Phuntsok, an influential lama of Nyingma sect of Tibetan buddhism with only around 30 students but is now widely known as one of the biggest centres to study Tibetan Buddhism in the world. Picture taken November 1, 2015. REUTERS/Damir Sagolj 

Tibetan Buddhist nuns keep yak butter lamps burning at a Buddhist laymen lodge where thousands of people gather for daily chanting session during the Utmost Bliss Dharma Assembly, the last of the four Dharma assemblies at Larung Wuming Buddhist Institute in remote Sertar county, Garze Tibetan Autonomous Prefecture, Sichuan province, China October 30, 2015. The eight-day gathering of people chanting mantras and listening to teachings of monks starts every year around the 22nd of the ninth month on Tibetan calendar, the great day of Buddha's Descending from Tushita Heavens. The Larung Wuming Buddhist Institute, located some 3700 to 4000 metres above the sea level was founded in 1980 by Khenpo Jigme Phuntsok, an influential lama of Nyingma sect of Tibetan Buddhism with only around 30 students but is now widely known as one of the biggest centres to study Tibetan Buddhism in the world. Picture taken October 30, 2015. REUTERS/Damir Sagolj 

Volunteers prepare yak butter tea to be distributed to people gathering in sub zero temperatures at a Buddhist laymen lodge for daily chanting session during the Utmost Bliss Dharma Assembly, the last of the four Dharma assemblies at Larung Wuming Buddhist Institute in remote Sertar county, Garze Tibetan Autonomous Prefecture, Sichuan province, China early October 30, 2015. The traditional tea is made of zanba (roasted Qingke highland barely floor), milk and butter. The eight-day gathering of people chanting mantras and listening to teachings of monks starts every year around the 22nd of the ninth month on Tibetan calendar, the great day of Buddha's Descending from Tushita Heavens. The Larung Wuming Buddhist Institute, located some 3700 to 4000 metres above the sea level was founded in 1980 by Khenpo Jigme Phuntsok, an influential lama of Nyingma sect of Tibetan buddhism with only around 30 students but is now widely known as one of the biggest centres to study Tibetan Buddhism in the world. Picture taken October 30, 2015. REUTERS/Damir Sagolj 

Yakovlev Yak-54 (R) and SP-129 trainer aircrafts of Russia's Pervy Polet (First Flight) aerobatic team perform during the MAKS International Aviation and Space Salon in Zhukovsky, outside Moscow, Russia, August 29, 2015. REUTERS/Maxim Shemetov 

A Yakovlev Yak-130 subsonic jet trainer and light attack aircraft performs during a demonstration flight at the MAKS International Aviation and Space Salon in Zhukovsky, outside Moscow, Russia, August 25, 2015. REUTERS/Maxim Shemetov 

Two Soviet-made Yakovlev Yak-52 planes perform during a demonstration flight above a McDonnell-Douglas MD-11 jet of Lufthansa Cargo AG parked on the tarmac, at Yemelyanovo International Airport, outside the Siberian city of Krasnoyarsk August 15, 2015. The Lufthansa plane was on its way to Frankfurt from Beijing and Seoul. Lufthansa Cargo AG uses the Krasnoyarsk airport as its transit airport for refuelling and maintenance on its long-distance flights to and out of Europe. Crew members of the plane took part in a show and celebrations for the Day of Air Fleet of Russia in front of numerous spectators. REUTERS/Ilya Naymushin 

Buffalo cross the road in front ot bikers participating in the annual Sturgis Motorcycle Rally in Custer State Park, South Dakota, August 3, 2015. Custer State Park is a popular destination for bikers during the rally and is the most heavily trafficked time at the park in the southern Black Hills. This year marks the 75th anniversary of the rally expected to draw hundreds of thousands of motorcycle enthusiasts from around the world for events throughout the week-long festival, according to organizers. REUTERS/Kristina Barker TPX IMAGES OF THE DAY 

Touring bikers participate in the annual Sturgis Motorcycle Rally in Custer State Park, South Dakota on August 3, 2015. Custer State Park is a popular destination for bikers during the rally and is the most heavily trafficked time at the park in the southern Black Hills. This year marks the 75th anniversary of the rally expected to draw hundreds of thousands of motorcycle enthusiasts from around the world for events throughout the week-long festival, according to organizers. REUTERS/Kristina Barker 

A woman milks a female yak as its calf stands nearby at a cattle camp near the settlement of Sary Mogol in the Alaisky district of the Osh region, Kyrgyzstan, July 24, 2015. Female yaks give milk only if their calves are nearby, according to local residents. Picture taken July 24, 2015. REUTERS/Vladimir Pirogov 

Participants wrestle while riding yaks during the Kyrgyz national horse games and festival near the Tulpar-Kul lake in the Chon Alai mountain range, some 3500 metres (11483 feet) above sea level, in the Osh region of Kyrgyzstan, July 25, 2015. Picture taken July 25, 2015. REUTERS/Vladimir Pirogov 

Participants wrestle while riding yaks during Kyrgyz national horse games and festival near the Tulpar-Kul in the Chon Alai range, some 3500 metres (11483 feet) above sea level, Osh region, Kyrgyzstan, July 25, 2015. Picture taken July 25, 2015. REUTERS/Vladimir Pirogov 

Yakovlev Yak-130 subsonic jet trainer and light attack aircrafts fly in formation over the Red Square during the Victory Day parade in Moscow, Russia, May 9, 2015. Russia marks the 70th anniversary of the end of World War Two in Europe on Saturday with a military parade, showcasing new military hardware at a time when relations with the West have hit lows not seen since the Cold War. REUTERS/Tatyana Makeyeva 

Sherpas load mountaineering equipments used for climbing on yaks after Mount Everest expeditions were cancelled in Solukhumbu district April 27, 2014. There was fury among the roughly 400 sherpas at base camp after the April 18 accident on the perilous Khumbu icefall, the single deadliest disaster on the world's highest mountain. Chanting, pumping their fists and threatening violence, a group of young sherpas forced an expedition boycott that now looks almost certain, for the first time, to write off a whole season for hundreds of would-be summiteers. The sherpa backlash, which had simmered for years as a cut-throat business expanded, could deal a blow to the commercial expedition industry that took off in the mid-1990s - pushing costs for climbers even higher. To match Insight NEPAL-EVEREST/ REUTERS/Phurba Tenjing Sherpa(NEPAL - Tags: TRAVEL SPORT BUSINESS) 

Aerobatic Yakkers team perform on YAK-52 airplanes during Bucharest International Air Show at Baneasa airport June 22, 2014. REUTERS/Bogdan Cristel (ROMANIA - Tags: TRANSPORT SOCIETY) 

Aerobatic Yakkers team perform on YAK-52 airplanes during Bucharest International Air Show at Baneasa airport, in Bucharest June 22, 2014. REUTERS/Bogdan Cristel (ROMANIA - Tags: ENTERTAINMENT) 

Yaks walk past prayer flags as they carry goods back from Everest base camp in Solukhumbu District May 5, 2014. More than 4,000 climbers have reached the summit of Everest, the world's highest peak, since it was first scaled by Sir Edmund Hillary and Tenzing Norgay Sherpa in 1953. In April, an avalanche killed 16 Nepali Sherpa guides who were fixing ropes and ferrying supplies for their foreign clients to climb the 8,850-metre (29,035-foot) peak. The accident - the deadliest in the history of Mount Everest - triggered a dispute between sherpa guides who wanted a climbing ban in honour of their colleagues and the Nepali government that refused to close the mountain. The sherpas staged a boycott, forcing hundreds of foreign climbers to call off their bids to climb Everest. Picture taken May 5, 2014. REUTERS/Navesh Chitrakar (NEPAL - Tags: ENVIRONMENT SOCIETY BUSINESS EMPLOYMENT ANIMALS RELIGION TRAVEL)

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Yaks head towards the Everest base camp in Solukhumbu District April 28, 2014. More than 4,000 climbers have reached the summit of Everest, the world's highest peak, since it was first scaled by Sir Edmund Hillary and Tenzing Norgay Sherpa in 1953. In April, an avalanche killed 16 Nepali Sherpa guides who were fixing ropes and ferrying supplies for their foreign clients to climb the 8,850-metre (29,035-foot) peak. The accident - the deadliest in the history of Mount Everest - triggered a dispute between sherpa guides who wanted a climbing ban in honour of their colleagues and the Nepali government that refused to close the mountain. The sherpas staged a boycott, forcing hundreds of foreign climbers to call off their bids to climb Everest. Picture taken April 28, 2014. REUTERS/Navesh Chitrakar (NEPAL - Tags: ENVIRONMENT SOCIETY BUSINESS EMPLOYMENT ANIMALS TRAVEL)

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A yak herder leads yaks near Pheriche, approximately 4,300 meters above sea level, in Solukhumbu District May 3, 2014. More than 4,000 climbers have reached the summit of Everest, the world's highest peak, since it was first scaled by Sir Edmund Hillary and Tenzing Norgay Sherpa in 1953. In April, an avalanche killed 16 Nepali Sherpa guides who were fixing ropes and ferrying supplies for their foreign clients to climb the 8,850-metre (29,035-foot) peak. The accident - the deadliest in the history of Mount Everest - triggered a dispute between sherpa guides who wanted a climbing ban in honour of their colleagues and the Nepali government that refused to close the mountain. The sherpas staged a boycott, forcing hundreds of foreign climbers to call off their bids to climb Everest. Picture taken May 3, 2014. REUTERS/Navesh Chitrakar (NEPAL - Tags: ENVIRONMENT SOCIETY BUSINESS EMPLOYMENT ANIMALS TRAVEL)

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A yak walks past a clothing store in Namche, approximately 3400 meters above sea level in Solukhumbu District April 27, 2014. More than 4,000 climbers have reached the summit of Everest, the world's highest peak, since it was first scaled by Sir Edmund Hillary and Tenzing Norgay Sherpa in 1953. In April, an avalanche killed 16 Nepali Sherpa guides who were fixing ropes and ferrying supplies for their foreign clients to climb the 8,850-metre (29,035-foot) peak. The accident - the deadliest in the history of Mount Everest - triggered a dispute between sherpa guides who wanted a climbing ban in honour of their colleagues and the Nepali government that refused to close the mountain. The sherpas staged a boycott, forcing hundreds of foreign climbers to call off their bids to climb Everest. Picture taken April 27, 2014. REUTERS/Navesh Chitrakar (NEPAL - Tags: ANIMALS ENVIRONMENT SOCIETY BUSINESS EMPLOYMENT TRAVEL)

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Yak bells are seen outside a shop in Namche, approximately 3400 meters above sea level in Solukhumbu District April 27, 2014. More than 4,000 climbers have reached the summit of Everest, the world's highest peak, since it was first scaled by Sir Edmund Hillary and Tenzing Norgay Sherpa in 1953. In April, an avalanche killed 16 Nepali Sherpa guides who were fixing ropes and ferrying supplies for their foreign clients to climb the 8,850-metre (29,035-foot) peak. The accident - the deadliest in the history of Mount Everest - triggered a dispute between sherpa guides who wanted a climbing ban in honour of their colleagues and the Nepali government that refused to close the mountain. The sherpas staged a boycott, forcing hundreds of foreign climbers to call off their bids to climb Everest. Picture taken April 27, 2014. REUTERS/Navesh Chitrakar (NEPAL - Tags: ENVIRONMENT SOCIETY BUSINESS EMPLOYMENT TRAVEL)

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A man herds his yaks in the snow in Tsenkher Sum, Arhangai, October 21, 2013. Picture taken October 21, 2013. REUTERS/Mareike Guensche (MONGOLIA - Tags: ANIMALS SOCIETY TPX IMAGES OF THE DAY) 

A yak grazes, some 3,000 metres (9,842 ft) above sea level, in the mountains of Tien Shan outside Almaty August 31, 2013. REUTERS/Shamil Zhumatov (KAZAKHSTAN - Tags: ENVIRONMENT ANIMALS SOCIETY) 

Yaks cross a river some 3,000 metres (9,842 ft) above sea level, in the mountains of Tien Shan outside Almaty August 31, 2013. REUTERS/Shamil Zhumatov (KAZAKHSTAN - Tags: ENVIRONMENT ANIMALS SOCIETY) 

A Yak-130 performs during a demonstration flight at the MAKS International Aviation and Space Salon in Zhukovsky outside Moscow August 28, 2013. REUTERS/Maxim Shemetov (RUSSIA - Tags: TRANSPORT MILITARY BUSINESS) 

A man waves with his hat while Aerobatic Yakkers team perform on YAK 52 airplanes during Bucharest International Air Show at Baneasa airport July 27, 2013. REUTERS/Bogdan Cristel (ROMANIA - Tags: TRANSPORT SOCIETY) 

A man waves Romania's national flag as the Aerobatic Yakkers team perform on YAK 52 airplanes during Bucharest International Air Show at Baneasa airport July 27, 2013. REUTERS/Bogdan Cristel (ROMANIA - Tags: TRANSPORT SOCIETY) 

A Tibetan herdswoman milks a yak on a grassland in Yangkang township of Tianjun county, Qinghai province July 19, 2013. Picture taken July 19, 2013. REUTERS/Stringer (CHINA - Tags: SOCIETY ANIMALS AGRICULTURE) 

A man guides a herd of yaks near the village of Galiat at an elevation of 1300 metres (4265 feet), some 115 km (71 miles) southwest of Vladikavkaz in North Ossetia February 28, 2013. Picture taken February 28, 2013. REUTERS/Kazbek Basayev (RUSSIA - Tags: ENVIRONMENT ANIMALS) 

A herd of yaks stand on pasture near the village of Galiat at an elevation of 1300 metres (4265 feet), some 115 km (71 miles) southwest of Vladikavkaz in North Ossetia February 28, 2013. Picture taken February 28, 2013. REUTERS/Kazbek Basayev (RUSSIA - Tags: ENVIRONMENT ANIMALS) 

A Yakovlev Yak-40 plane undergoes de-icing at the Vnukovo airport outside Moscow November 30, 2012. REUTERS/Sergei Karpukhin (RUSSIA - Tags: TRANSPORT) 

A visitor looks at gas canisters that were salvaged from trash picked from Mount Everest and made into prayer wheels during a visual art symposium in Kathmandu November 25, 2012. Fifteen Nepali artists closeted for a month with a heap of 1.5 metric tons (1.7 tons) of trash picked up from Mount Everest transformed the litter into art, creating 75 sculptures, including one of a yak and another of wind chimes, made from empty oxygen bottles, gas canisters, food cans, torn tents, ropes, crampons, boots, plates, twisted aluminium ladders and torn plastic bags dumped by climbers over decades on the slopes of the world's highest mountain. Kripa Rana Shahi, director of art group Da Mind Tree, said the sculpting - and a resulting recent exhibition in the Nepali capital of Kathmandu - was aimed at spreading awareness about keeping Mount Everest clean. Picture taken November 25, 2012. REUTERS/Rajendra Chitrakar (NEPAL - Tags: SOCIETY ENVIRONMENT) 

A child leans from the cockpit window of a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY TPX IMAGES OF THE DAY) 

Children walk next to a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY) 

Children play in the cabin of a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY) 

Children play in the cockpit of a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY) 

Children play next to a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY) 

Children look out of the windows of a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY) 

Children play next to a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY) 

Children play in the cabin of a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY) 

Children play in the cockpit of a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY TPX IMAGES OF THE DAY) 

A plane is seen parked in a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY TPX IMAGES OF THE DAY) 

A child leans from the cockpit window of a plane at a kindergarten in the town of Rustavi some 25 km (15 miles) south of Tbilisi, October 31, 2012. The fully functional Soviet-era Yakovlev Yak-40 plane has been installed in the kindergarten courtyard and refurbished as a children's playground. REUTERS/David Mdzinarishvili (GEORGIA - Tags: EDUCATION SOCIETY TPX IMAGES OF THE DAY) 

A Soviet-made Yakovlev Yak-52 plane performs during a demonstration flight at an air show dedicated to the Day of the Russian Air Fleet at the Yemelyanovo airport outside Krasnoyarsk August 18, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: TRANSPORT ANNIVERSARY) 

A Soviet-made Yakovlev Yak-52 plane performs during a demonstration flight at an air show dedicated to the Day of the Russian Air Fleet at the Yemelyanovo airport outside Krasnoyarsk August 18, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: TRANSPORT ANNIVERSARY) 

A Soviet-made Yakovlev Yak-52 plane performs during a demonstration flight at an air show dedicated to the Day of the Russian Air Fleet at the Yemelyanovo airport outside Krasnoyarsk August 18, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: TRANSPORT ANNIVERSARY) 

A Russian Yak 130 performs a display flight at the Farnborough Airshow 2012 in southern England July 10, 2012. REUTERS/Luke MacGregor (BRITAIN - Tags: TRANSPORT BUSINESS MILITARY) 

A Russian Yak130 is pictured during preparation ahead of the Farnborough Airshow 2012 in southern England July 8, 2012. Airbus and Boeing head into next week's Farnborough Airshow locked in their fiercest market share battle for up to a decade, slashing prices to win key orders for their latest narrow body jets and storing up potential trouble for future profit margins. REUTERS/Luke MacGregor (BRITAIN - Tags: TRANSPORT BUSINESS TPX IMAGES OF THE DAY) 

A Russian Yak130 comes into land ahead of the Farnborough Airshow 2012 in southern England July 8, 2012. REUTERS/Luke MacGregor (BRITAIN - Tags: TRANSPORT BUSINESS SOCIETY) 

Demonstrators perform a Tibetan Yak dance outside the United Nations, where is held the 19th session of the Human Rights Council in Geneva February 27, 2012. REUTERS/Denis Balibouse (SWITZERLAND - Tags: POLITICS CIVIL UNREST) 

Demonstrators perform a Tibetan Yak dance outside the United Nations, where is held the the 19th session of the Human Rights Council in Geneva February 27, 2012. REUTERS/Denis Balibouse (SWITZERLAND - Tags: POLITICS CIVIL UNREST) 

A group of Angus cattle try to escape the weather as they hide behind a group of buildings in a corral near Ellis, Kansas, December 20, 2011. A blizzard shut down highways in New Mexico, Colorado, Kansas and the panhandles of Oklahoma and Texas on Monday, stranding motorists and causing dozens of wrecks including a prison van in which two people died, authorities said. The storm moved into southwest Kansas on Monday evening, closing some highways and many schools for Tuesday. REUTERS/Steven Hausler (UNITED STATES - Tags: ENVIRONMENT TPX IMAGES OF THE DAY) 

A relative grieves near the coffin of Belarussian hockey player Sergei Ostapchuk, player of Lokomotiv Yaroslavl, during a funeral ceremony in Yaroslavl September 10, 2011. The Lokomotiv team were on route to play their KHL season opener in the Belarus capital of Minsk when their Yak-42 aircraft crashed into a river bank shortly after takeoff from the airport outside Yaroslavl, 250 km (150 miles) north of Moscow, killing 43 people REUTERS/Mikhail Voskresensky (RUSSIA - Tags: DISASTER TRANSPORT SPORT ICE HOCKEY) 

Relatives of Swedish hockey player Stefan Liv, player of Lokomotiv Yaroslavl, grieve by the coffin during a funeral ceremony in Yaroslavl September 10, 2011. The Lokomotiv team were on route to play their KHL season opener in the Belarus capital of Minsk when their Yak-42 aircraft crashed into a river bank shortly after takeoff from the airport outside Yaroslavl, 250 km (150 miles) north of Moscow, killing 43 people REUTERS/Mikhail Voskresensky (RUSSIA - Tags: DISASTER TRANSPORT SPORT ICE HOCKEY TPX IMAGES OF THE DAY) 

People walk in a queue to pay their last respects to Ruslan Salei, one of the players of ice hockey team Lokomotiv Yaroslavl, before his funeral in Minsk September 10, 2011. Salei was one of the people from the Lokomotiv team on route to play their KHL season opener in the Belarus capital of Minsk on Wednesday when their Yak-42 aircraft crashed into a river bank shortly after takeoff from the airport outside Yaroslavl, 250 km (150 miles) north of Moscow, killing 43 people. REUTERS/Vasily Fedosenko (BELARUS - Tags: TRANSPORT DISASTER SPORT) 

Cemetery workers lower the coffin of Ukrainian-Russian ice hockey player Vitali Anikeyenko of Lokomotive Yaroslavl during a burial service in Kiev September 10, 2011. The Lokomotiv team were on route to play their KHL season opener in the Belarus capital of Minsk on Wednesday when their Yak-42 aircraft crashed into a river bank shortly after takeoff from the airport outside Yaroslavl, 250 km (150 miles) north of Moscow, killing 43 people. REUTERS/Konstantin Chernichkin (UKRAINE - Tags: DISASTER TRANSPORT SPORT) 

Relatives of Ruslan Salei, one of the players of ice hockey team Lokomotiv Yaroslavl, comfort each other during his funeral in Minsk September 10, 2011. Salei was one of the people from the Lokomotiv team on route to play their KHL season opener in the Belarus capital of Minsk on Wednesday when their Yak-42 aircraft crashed into a river bank shortly after takeoff from the airport outside Yaroslavl, 250 km (150 miles) north of Moscow, killing 43 people. REUTERS/Vasily Fedosenko (BELARUS - Tags: TRANSPORT DISASTER SPORT) 

Belarussian soldiers from a guard of honour carry a coffin with the remains of Ruslan Salei, one of the players of ice hockey team Lokomotiv Yaroslavl, during his funeral in Minsk September 10, 2011. Salei was one of the people from the Lokomotiv team on route to play their KHL season opener in the Belarus capital of Minsk on Wednesday when their Yak-42 aircraft crashed into a river bank shortly after takeoff from the airport outside Yaroslavl, 250 km (150 miles) north of Moscow, killing 43 people. REUTERS/Vasily Fedosenko (BELARUS - Tags: TRANSPORT DISASTER SPORT MILITARY)