Osama Al-Hubaishi, 22, feeds birds using his mouth at his home in Sanaa July 18, 2013. Al-Hubaishi began building bird houses at his home from the age of ten, and since then has been breeding doves and providing food for visiting birds out of his love for them. He takes care of about 200 birds at his home. REUTERS/Mohamed al-Sayaghi (YEMEN - Tags: ANIMALS SOCIETY) 

Yarnbombers Purl 1 (L) and Knit 1 display some of the guerrilla knitting and crocheting which they plan to use when they target next week's G8 summit, in the Mourne Mountains, near Newcastle, County Down June 13, 2013. Yarnbombing uses knitting or crochet work to make a statement in public, rather than graffiti or street art. REUTERS/Cathal McNaughton (NORTHERN IRELAND - Tags: BUSINESS CIVIL UNREST POLITICS SOCIETY) 

A handmade puppet is seen at the home of Shao Hongyuan, an 84-year-old craftsman and musician, in Jiaxing, Zhejiang province, May 24, 2013. Shao, a former electronics factory worker, began making puppets from recycled garbage as a hobby. These days he performs at local community centers around Jiaxing city. REUTERS/Carlos Barria (CHINA - Tags: SOCIETY ENTERTAINMENT) 

Shao Hongyuan, an 84-year-old craftsman and musician, wears a handmade mask at his home in Jiaxing, Zhejiang province, May 24, 2013. Shao, a former electronics factory worker, began making puppets from recycled garbage as a hobby. These days he performs at local community centers around Jiaxing city. REUTERS/Carlos Barria (CHINA - Tags: SOCIETY ENTERTAINMENT) 

A climber scales the face of a mountain at Baihe Valley on the outskirts of Miyun County, in Beijing, April 30, 2013. Climbing is increasingly gaining popularity as a sport in Beijing. REUTERS/Jason Lee (CHINA - Tags: SOCIETY ENVIRONMENT SPORT) 

An Afghan man prepares his partridge before a fight during a competition at a local park in Kabul, April 19, 2013. Bird-fighting is a hobby in Afghanistan and although gambling remains illegal in the country, betting on such fights is tolerated. REUTERS/Omar Sobhani (AFGHANISTAN - Tags: SOCIETY ANIMALS) 

Afghan men watch partridges fight during a competition at a local park in Kabul April 19, 2013. Bird-fighting is a hobby in Afghanistan and although gambling remains illegal in the country, betting on such fights is tolerated. REUTERS/Omar Sobhani (AFGHANISTAN - Tags: SOCIETY ANIMALS) 

A visitor of DVC Indoor Shooting Centre fires a pistol on their range in Port Coquitlam, British Columbia March 22, 2013. The DVC, that has 13 individual shooting lanes, is the only indoor shooting centre in the province that rents firearms to the public without a license. Canada has very strict laws controlling the use of handguns and violent crime is relatively rare. Picture taken March 22, 2013. REUTERS/Andy Clark (CANADA - Tags: SOCIETY)

ATTENTION EDITORS: PICTURE 19 OF 24 FOR PACKAGE 'GUN CULTURE - CANADA'
SEARCH 'CANADA GUN' FOR ALL IMAGES 

A member of the Vancouver Gun Club gets more ammunition while taking part in sporting clays at their facility in Richmond, British Columbia February 17, 2013. Sporting clays, also known as "golf with a shotgun", uses clay targets to simulate various birds and projects the targets in different directions and heights. Formed in 1924 the Vancouver Gun Club, which is a shotgun-only club, has a regular membership of about 400 and sells an estimated 1100 day passes each year. Canada has very strict laws controlling the use of handguns and violent crime is relatively rare. Picture taken February 17, 2013. REUTERS/Andy Clark (CANADA - Tags: SOCIETY)

ATTENTION EDITORS: PICTURE 14 OF 24 FOR PACKAGE 'GUN CULTURE - CANADA'

SEARCH 'CANADA GUN' FOR ALL IMAGES 

A member of the Vancouver Gun Club shoots trap at the clubs facilities in Richmond, British Columbia February 17, 2013. Formed in 1924 the Vancouver Gun Club, which is a shotgun-only club, has a regular membership of about 400 and sells an estimated 1100 day passes each year. Canada has very strict laws controlling the use of handguns and violent crime is relatively rare. Picture taken February 17, 2013. REUTERS/Andy Clark (CANADA - Tags: SOCIETY)

ATTENTION EDITORS: PICTURE 11 OF 24 FOR PACKAGE 'GUN CULTURE - CANADA'
SEARCH 'CANADA GUN' FOR ALL IMAGES 

Shooters check the angle while waiting for their turn during skeet shooting at the Vancouver Gun Club in Richmond, British Columbia February 17, 2013. Formed in 1924, the Vancouver Gun Club, which is a shotgun-only club, has a regular membership of about 400 and sells an estimated 1100 day passes each year. Canada has very strict laws controlling the use of handguns and violent crime is relatively rare. Picture taken February 17, 2013. REUTERS/Andy Clark (CANADA - Tags: SOCIETY)

ATTENTION EDITORS: PICTURE 8 OF 24 FOR PACKAGE 'GUN CULTURE - CANADA'
SEARCH 'CANADA GUN' FOR ALL IMAGES 

A member of the Vancouver Gun Club rests his shotgun on his shoulder while waiting for his turn at the club's 39 acre facility in Richmond, British Columbia February 17, 2013. The Vancouver Gun Club only offers trap shooting, sporting clays, skeet and Olympic trap. Formed in 1924, the shotgun only club has a regular membership of about 400 and sells an estimated 1100 day passes each year. Canada has very strict laws controlling the use of handguns and violent crime is relatively rare. Picture taken February 17, 2013. REUTERS/Andy Clark (CANADA - Tags: SOCIETY)

ATTENTION EDITORS: PICTURE 3 OF 24 FOR PACKAGE 'GUN CULTURE - CANADA'
SEARCH 'CANADA GUN' FOR ALL IMAGES 

A member of the Vancouver Gun Club takes aim while trap shooting at their facility in Richmond, British Columbia February 10, 2013. Formed in 1924, the shotgun-only club has a regular membership of about 400 and sells an estimated 1100 day passes each year. Canada has very strict laws controlling the use of handguns and violent crime is relatively rare. Picture taken February 10, 2013. REUTERS/Andy Clark (CANADA - Tags: SOCIETY TPX IMAGES OF THE DAY)

ATTENTION EDITORS: PICTURE 1 24 FOR PACKAGE 'GUN CULTURE - CANADA'
SEARCH 'CANADA GUN' FOR ALL IMAGES 

Members of the Vancouver Gun Club shoot trap at their 39 acre facility in Richmond, British Columbia February 17, 2013. REUTERS/Andy Clark (CANADA) 

A 9mm pistol and ammunition sits ready for the next customer at the DVC Indoor Shooting Centre in Port Coquitlam, British Columbia March 22, 2013. REUTERS/Andy Clark (CANADA) 

A member of the Vancouver Gun Club ejects his shells while shooting trap at the facility in Richmond, British Columbia February 10, 2013. The club was formed in 1924 and has a yearly membership of of around 400. REUTERS/Andy Clark (CANADA) 

Saudi youths demonstrate a stunt known as "sidewall skiing" (driving on two wheels) in the northern city of Hail, in Saudi Arabia March 30, 2013. Performing stunts such as sidewall skiing and drifts is a popular hobby amongst Saudi youths. REUTERS/Mohamed Al Hwaity (SAUDI ARABIA - Tags: SOCIETY) 

People take a part in a bird singing competition in front of a mosque in the southern province of Pattani March 8, 2013. Last week, in a deal brought about with the help of Malaysia, Thailand agreed to pursue a peace talks with the Barisan Revolusi Nasional (BRN), one of the Muslim groups fighting for autonomy in the south. Resistance to Buddhist rule from Bangkok has existed for decades in the predominantly Muslim provinces of Pattani, Yala and Narathiwat, which were part of a Malay sultanate before being annexed by Thailand in 1909. REUTERS/Damir Sagolj (THAILAND - Tags: POLITICS CIVIL UNREST ANIMALS RELIGION) 

Inge Natoli, 90, (R) who emigrated to Michigan from Germany and has lived in Sun City for 29 years practices synchronized swimming with Barbara Miller, 77, in Sun City, Arizona, January 9, 2013. Sun City was built in 1959 by entrepreneur Del Webb as America’s first active retirement community for the over-55's. Del Webb predicted that retirees would flock to a community where they were given more than just a house with a rocking chair in which to sit and wait to die. Today’s residents keep their minds and bodies active by socializing at over 120 clubs with activities such as square dancing, ceramics, roller skating, computers, cheerleading, racquetball and yoga. There are 38,500 residents in the community with an average age 72.4 years. Picture taken January 9, 2013. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

ATTENTION EDITORS - PICTURE 3 OF 30 FOR PACKAGE 'THE SPORTY SENIORS OF SUN CITY'
SEARCH 'SUN CITY' FOR ALL IMAGES 

Robert Harker, 73, and his wife Nancy, 70, square dance in Sun City, Arizona, January 8, 2013. Sun City was built in 1959 by entrepreneur Del Webb as America’s first active retirement community for the over-55's. Del Webb predicted that retirees would flock to a community where they were given more than just a house with a rocking chair in which to sit and wait to die. Today’s residents keep their minds and bodies active by socializing at over 120 clubs with activities such as square dancing, ceramics, roller skating, computers, cheerleading, racquetball and yoga. There are 38,500 residents in the community with an average age 72.4 years. Picture taken January 8, 2013. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

ATTENTION EDITORS - PICTURE 5 OF 30 FOR PACKAGE 'THE SPORTY SENIORS OF SUN CITY'
SEARCH 'SUN CITY' FOR ALL IMAGES 

Andrey Martynuk shows some of his wooden clocks in his house in the town of Dzerzhinsk, some 40 km (25 miles) southwest of Minsk, February 19, 2013. Martynuk makes wooden clocks for exhibitions and for sale in Belarus and neighbouring countries. It takes from three to six months to assemble one timepiece, depending on whether metal parts are used. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY BUSINESS EMPLOYMENT) 

A model poses nude while people attend a drawing workshop on Valentine's Day in Mexico City February 14, 2013. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

A bird named "kacek" sits in its cage during a bird singing competition in the village of Pintu Gang, 500 km (310 miles) northeast of Kuala Lumpur December 28, 2012. Participating in bird singing competitions is a favourite pastime activity among villagers in the northeastern part of Malaysia's peninsula. REUTERS/Bazuki Muhammad (MALAYSIA - Tags: SOCIETY ANIMALS) 

A woman knits a jumper as she sits in the sun at a Hutong (small Chinese alley) in central Beijing November 12, 2012. REUTERS/David Gray (CHINA - Tags: SOCIETY) 

A woman sits under a statue of the late Chairman Mao Zedong as she knits a sweater at the Fudan University in Shanghai November 6, 2012. In 1981, five years after his death, China's ruling Communist Party began to move slowly away from Mao Zedong and his philosophy. Picture taken November 6, 2012. REUTERS/Aly Song (CHINA - Tags: POLITICS SOCIETY) 

Sergei Tarasov, 42, a school teacher, makes final touches to his modular origami model of the Moscow's Saint Basil's Cathedral, at home in the village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. Tarasov spent a year for each model landmark, often using up 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY RELIGION) 

A 1947 Gottlieb "Humpty Dumpty" pinball machine is displayed at Guenter "Pindigi" Freinberger's pinball museum in Ruprechtshofen, some 80 km (50 miles) west of Vienna October 3, 2012. Freinberger from Austria, started collecting in 1997 and now owns 493 machines worth around one million euros (US $1.3 million) making him one of the world's biggest collectors of vintage pinball games. He restores and repairs the machines himself and sells duplicate versions. The oldest model in his collection dates from the 1930s. Picture taken October 3. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Visitors play at historic pinball machines next to a 1966 Gottlieb "Central Park" model, at Guenter "Pindigi" Freinberger's pinball museum in Ruprechtshofen, some 80 km (50 miles) west of Vienna October 3, 2012. Freinberger from Austria, started collecting in 1997 and now owns 493 machines worth around one million euros (US $1.3 million) making him one of the world's biggest collectors of vintage pinball games. He restores and repairs the machines himself and sells duplicate versions. The oldest model in his collection dates from the 1930s. Picture taken October 3. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Austrian Guenter "Pindigi" Freinberger plays a 1979 Atari "Hercules", the world's largest pinball machine, at his pinball museum in Ruprechtshofen, some 80 km (50 miles) west of Vienna October 3, 2012. Freinberger started collecting in 1997 and now owns 493 machines worth around one million euros (US $1.3 million) making him one of the world's biggest collectors of vintage pinball games. He restores and repairs the machines himself and sells duplicate versions. The oldest model in his collection dates from the 1930s. Picture taken October 3. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

Pinball machines stand in storage at Guenter "Pindigi" Freinberger's pinball museum in Ruprechtshofen, some 80 km (50 miles) west of Vienna October 3, 2012. Freinberger from Austria, started collecting in 1997 and now owns 493 machines worth around one million euros (US $1.3 million) making him one of the world's biggest collectors of vintage pinball games. He restores and repairs the machines himself and sells duplicate versions. The oldest model in his collection dates from the 1930s. Picture taken October 3. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: ENTERTAINMENT SOCIETY) 

A woman knits and sells knitwear on a bench in a street in central Kiev September 24, 2012. REUTERS/Gleb Garanich (UKRAINE - Tags: SOCIETY BUSINESS) 

Artin Elmayan throws a tennis ball in the locker room before playing tennis at the River Plate stadium in Buenos Aires September 13, 2012. Elmayan, who emigrated to Argentina from Europe when it was on the verge of war in 1938 at the age of 21, said he took up tennis as a hobby and has never looked back. Now, aged 95, he is the world's oldest-ranked player. Picture taken September 13. To match Interview TENNIS-ARGENTINA/ELMAYAN REUTERS/Enrique Marcarian (ARGENTINA - Tags: SPORT TENNIS SOCIETY HEALTH TPX IMAGES OF THE DAY) 

A youth practises his break dance as others look on, under a bridge on an avenue in Mexico City August 30, 2012. The activity is part of a program launched by the local government and sports authorities under the bridges in the capital, which focuses on helping youths spend time meaningfully through sports and cultural activities and minimize chances of them getting involved with gangs and drugs, according to local sports authorities. REUTERS/Henry Romero (MEXICO - Tags: SOCIETY) 

A youth practises contact juggling under a bridge on an avenue in Mexico City August 30, 2012. Contact juggling is a type of object manipulation which focuses on the ball's interaction with the juggler's body, rather than it being thrown in the air. The activity is part of a program launched by the local government and sports authorities under the bridges in the capital, which focuses on helping youths spend time meaningfully through sports and cultural activities and minimize chances of them getting involved with gangs and drugs, according to local sports authorities. REUTERS/Henry Romero (MEXICO - Tags: SOCIETY) 

Gardeners work on a giant carpet made of flowers to form a floral decoration at Brussels' Grand Place August 14, 2012. The design requires about 700,000 flowers to create, according to event organisers. REUTERS/Francois Lenoir (BELGIUM - Tags: SOCIETY TRAVEL) 

A woman arranges yarn during the eighth round of the Liwa Date Festival, in the western Region of Liwa in the United Arab Emirates July 12, 2012. The annual date festival runs until July 18, with prizes totalling AED4.2 million (US$1.15m) during the date competition, which will be judged based on the weight and quality of the farmers' dates as well as the overall hygiene of their farms. REUTERS/Jumana ElHeloueh (UNITED ARAB EMIRATES - Tags: SOCIETY FOOD) 

Bird watchers stand at a viewpoint on Cyprus Mountain as a thick haze from massive wildfires burning in eastern Russia cover downtown Vancouver, British Columbia July 11, 2012. Hazy skies, covering many areas of the province, are the result of smoke drifting across the northern Pacific from the wildfires burning in Siberia, according to the provincial environment ministry. REUTERS/Andy Clark (CANADA - Tags: SOCIETY ENVIRONMENT) 

An Alfa Romeo enthusiast is seen wiping the bonnet of an Alfa Romeo Spider during an Alfa Romeo classic car meeting in Fiuggi, south of Rome, June 9, 2012. Picture taken June 9, 2012. REUTERS/Max Rossi (ITALY - Tags: TRANSPORT BUSINESS) 

A man plays a Nintendo 3DS portable game console near a advertisement of Sony's PlayStation Vita handheld gaming device at a Yamada Denki electronics retail store in Tokyo June 4, 2012. Japan's Nintendo, the world's leading game console maker, unveiled a new online strategy on Monday, saying it will launch a social and content network dubbed Miiverse for its latest version of the Wii - the Wii U. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS SCIENCE TECHNOLOGY) 

Vitaly Islentyev, 65, plays table tennis by himself at his private house in the town of Yeniseisk, some 330 km (205 miles) north of Russia's Siberian city of Krasnoyarsk, May 27, 2012. Islentyev, a pensioner who worked as a driver for 47 years, has collected relic pieces such as gramophone records, accordions and bayans. However, the main item of his collection is the wooden carpenter's plane. Approximately 760 exhibits of 20 various types, made in Germany, the United Kingdom, France, Russia and other countries, and manufactured in the 18th to the 20th centuries, are stored at Islentyev's museum. According to documents provided by the Book of Records of Russia, Islentyev owns the biggest collection of wooden carpenter's planes in the country. Picture taken May 27, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY) 

Vitaly Islentyev, 65, works on a computer as he listens to a gramophone record at his private house in the town of Yeniseisk, some 330 km (205 miles) north of Russia's Siberian city of Krasnoyarsk, May 27, 2012. Islentyev, a pensioner who worked as a driver for 47 years, has collected relic pieces such as gramophone records, accordions and bayans. However, the main item of his collection is the wooden carpenter's plane. Approximately 760 exhibits of 20 various types, made in Germany, the United Kingdom, France, Russia and other countries, and manufactured in the 18th to the 20th centuries, are stored at Islentyev's museum. According to documents provided by the Book of Records of Russia, Islentyev owns the biggest collection of wooden carpenter's planes in the country. Picture taken May 27, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY) 

U.S. trampoline gymnast Michael Devine trains for the London 2012 Olympics at his home gym, the J and J Tumbling and Trampoline Team Center, while his coach Shaun Kempton (L) looks on in Pecatonica, Illinois, May 7, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT GYMNASTICS OLYMPICS) 

Men watch partridges fight during a competition at a local park in Kabul May 4, 2012. Bird-fighting is a hobby in Afghanistan and although gambling remains illegal in the country, betting on such fights is tolerated. REUTERS/Danish Siddiqui (AFGHANISTAN - Tags: SOCIETY ANIMALS) 

A man cleans the beak of his partridge with his mouth during a fighting competition at a local park in Kabul May 4, 2012. Bird-fighting is a hobby in Afghanistan and although gambling remains illegal in the country, betting on such fights is tolerated. REUTERS/Danish Siddiqui (AFGHANISTAN - Tags: SOCIETY ANIMALS TPX IMAGES OF THE DAY) 

Sun Fengqin (L), 60, participates in a pole-dancing class in Nanjing, Jiangsu province, April 27, 2012. In China, where older women are expected to lead a quiet life tending to their grandchildren, retired grandmother Sun Fengqin's hobby is unusual - she pole dances. Swings, spins and sultry moves are all in the repertoire of the long-haired 60-year-old, who took on pole dancing in admiration of what she saw as a sexy sport despite its image in China as something associated with strip clubs. Pole dancing has over the last few years evolved into a popular pastime and a way of staying in shape, with devotees promoting it as a legitimate form of dance and acrobatics. Picture taken April 27, 2012. REUTERS/Carlos Barria (CHINA - Tags: SOCIETY) 

Sun Fengqin, 60, participates in a pole-dancing class in Nanjing, Jiangsu province, April 27, 2012. In China, where older women are expected to lead a quiet life tending to their grandchildren, retired grandmother Sun Fengqin's hobby is unusual - she pole dances. Swings, spins and sultry moves are all in the repertoire of the long-haired 60-year-old, who took on pole dancing in admiration of what she saw as a sexy sport despite its image in China as something associated with strip clubs. Pole dancing has over the last few years evolved into a popular pastime and a way of staying in shape, with devotees promoting it as a legitimate form of dance and acrobatics. Picture taken April 27, 2012. REUTERS/Carlos Barria (CHINA - Tags: SOCIETY) 

Kickboxers train at the youth club in Juba April 8, 2012. REUTERS/Mohamed Nureldin Abdallah (SOUTH SUDAN - Tags: SPORT BOXING) 

Kickboxers train at the youth club in Juba April 8, 2012. REUTERS/Mohamed Nureldin Abdallah (SOUTH SUDAN - Tags: SPORT BOXING) 

Dressed as characters from the video game 'Silent Hill' Sara Gates (L) and Xand Griffin adjust their costumes at the PAX East gaming conference in Boston, Massachusetts April 7, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SCIENCE TECHNOLOGY SOCIETY) 

Men prepare to take part in a white collar boxing event in east London, March 30, 2012. Workers in London's financial district known as the "City" are naturally competitive and having achieved financial success at a relatively young age, may see the chance to fight it out in a gladiatorial tournament as a natural progression. Picture taken March 30, 2012. REUTERS/Paul Hackett (BRITAIN - Tags: SPORT BUSINESS BOXING) 

Ona Siupieniene uses a hand rake to knit during a workshop in Antasava March 21, 2012. Zita Kumpeliene, a teacher and folk artist, rediscovered knitting on hand rakes, which was a traditional knitting technique from both sides of the Lithuanian-Latvian border from ancient times. Kumpeliene now teaches this art through a local handicraft club she organized. REUTERS/Ints Kalnins (LITHUANIA - Tags: SOCIETY) 

Vespa scooters are parked outside Bangkok city hall to celebrate Vespa's 65th anniversary in Thailand, in Bangkok March 17, 2012. The one-day event, attended by about a thousand people, is the biggest gathering of Vespa enthusiasts in Asia. REUTERS/Chaiwat Subprasom (THAILAND - Tags: TRANSPORT SOCIETY) 

Nathan Harris(R), Ananth Menon (2nd R), Matthew Harris (C) and Navin Thomas practice in their studio, a small one-room flat in a residential building in Bangalore's suburbs, February 29, 2012. They are members of the popular Bangalore rock band "Galeej Gurus". All members of the band are in their mid-30s and either work in IT or run their own consulting businesses. Photo taken on February 29, 2012. REUTERS/Vivek Prakash (INDIA)