Japanese Emperor Akihito and Crown Prince Naruhito watch the Japanese traditional horsemanship "Dakyu," ancient Japanese polo, at Imperial Palace in Tokyo Tuesday, May 29, 2018. Eugene Hoshiko/Pool via Reuters

Japanese Emperor Akihito, center left, and Empress Michiko, center right, watch the Japanese traditional horsemanship "Dakyu," ancient Japanese polo, at Imperial Palace in Tokyo Tuesday, May 29, 2018. Eugene Hoshiko/Pool via Reuters

Japanese Emperor Akihito and Crown Prince Naruhito watch the Japanese traditional horsemanship "Dakyu," ancient Japanese polo, at Imperial Palace in Tokyo Tuesday, May 29, 2018. Eugene Hoshiko/Pool via Reuters

Japanese Emperor Akihito, Crown Prince Naruhito and Prince Akishino watch the Japanese traditional horsemanship "Dakyu," ancient Japanese polo, at Imperial Palace in Tokyo Tuesday, May 29, 2018. Eugene Hoshiko/Pool via Reuters

A horseshoe is seen hanging above the front door outside of the home of former Russian military intelligence officer Sergei Skripal, in Salisbury, Britain, March 6, 2018. Picture taken March 6, 2018. REUTERS/Toby Melville

John Cook, an inmate at the State of New York Wallkill Correctional Facility, stands with a retired thoroughbred on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

Scott Coyle, an inmate at the State of New York Wallkill Correctional Facility, gets a drink of water from a hose on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

John Cook, an inmate at the State of New York Wallkill Correctional Facility, stands with a retired thoroughbred on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

John Cook, an inmate at the State of New York Wallkill Correctional Facility, pets a retired thoroughbred on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

James Murphy, an inmate at the State of New York Wallkill Correctional Facility, drives a tractor on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

Scott Coyle, an inmate at the State of New York Wallkill Correctional Facility, pets a retired thoroughbred on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

Ross Locascio, an inmate at the State of New York Wallkill Correctional Facility, pets a retired thoroughbred on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

Retired thoroughbreds walk on a prison farm at the State of New York Wallkill Correctional Facility in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

A prison guard stands with Ross Locascio (L) and inmate Scott Coyle at the State of New York Wallkill Correctional Facility prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

John Cook, an inmate at the State of New York Wallkill Correctional Facility, bales hay on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

Ross Locascio, an inmate at the State of New York Wallkill Correctional Facility, grooms a retired thoroughbred on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

A sign for the Retired Thoroughbred Foundation is seen inside a barn at the State of New York Wallkill Correctional Facility in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

Scott Coyle, an inmate at the State of New York Wallkill Correctional Facility, opens a gate for a retired thoroughbred on a prison farm in Wallkill, New York June 16, 2014. The Second Chances program that teaches horsemanship skills to inmates is marking its 30th anniversary this week at Wallkill Correctional Institute. Wallkill was the first prison to house retired racehorses, and it has served as a model for nine other correctional facilities now practicing the program. Picture taken June 16, 2014. REUTERS/Shannon Stapleton (UNITED STATES - Tags: CRIME LAW SOCIETY ANIMALS)

Two participants from Iowa U.S. help a young boy ride a sheep during a horsemanship exhibition in the Kyrgyz capital Bishkek April 9, 2011. REUTERS/Vladimir Piragov (KYRGYZSTAN - Tags: SOCIETY ANIMALS)

Two Kyrgyz horseriders join hands during a horsemanship exhibition in the Kyrgyz capital Bishkek April 9, 2011. REUTERS/Vladimir Piragov (KYRGYZSTAN - Tags: SOCIETY ANIMALS)

A cowboy (L) from Iowa U.S. rides alongside a Kyrgyz horsewoman during a horsemanship exhibition in the Kyrgyz capital Bishkek April 9, 2011. REUTERS/Vladimir Piragov (KYRGYZSTAN - Tags: SOCIETY ANIMALS)

A cowboy from Iowa, U.S. shows his horsemanship skills during an exhibition in the Kyrgyz capital Bishkek April 9, 2011. REUTERS/Vladimir Piragov (KYRGYZSTAN - Tags: SOCIETY ANIMALS)

Palestinians ride their horses during a race in the West Bank city of Jenin September 25, 2009. More than 50 competitors took part in a local championship organised by the Palestinian Federation for Horsemanship. REUTERS/Mohamad Torokman (WEST BANK SOCIETY ANIMALS)

A Palestinian rides a horse before a race in the West Bank city of Jenin September 25, 2009. More than 50 competitors took part in a local championship organised by the Palestinian Federation for Horsemanship. REUTERS/Mohamad Torokman (WEST BANK ANIMALS SOCIETY)

Palestinians ride their horses during a race in the West Bank village of Turmosayeah, north of Ramallah August 7, 2009. More than 100 competitors took part in the biggest local championship organised by the Palestinian Federation for Horsemanship. REUTERS/Fadi Arouri (WEST BANK SPORT HORSE RACING SOCIETY)

Palestinians ride their horses during a race in the West Bank village of Turmosayeah, north of Ramallah August 7, 2009. More than 100 competitors took part in the biggest local championship organised by the Palestinian Federation for Horsemanship. REUTERS/Fadi Arouri (WEST BANK SPORT HORSE RACING SOCIETY)

A Palestinian rides his horse during a race in the West Bank village of Turmosayeah, north of Ramallah, April 25, 2009. More than three dozen competitors took part in the 40-km (25-mile) endurance horse race organised by the Palestinian Federation for Horsemanship. REUTERS/Fadi Arouri (WEST BANK SPORT HORSE RACING)

Horsemen from the Republican Guard, in traditional robes, poses next to their horsea during the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A girl applauds while horsemen in traditional robes parade through town during the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A horse owner talks to journalists during the horses competition of model and style at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Owners of horses in traditional dress attend the opening parade of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A Lybian jockey jumps during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008.Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Lybian jockey Lina Ahmed Al Amine jumps during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse rider in traditional robes poses during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse riders in traditional robes pose during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse riders in traditional robes pose during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A horse rider in traditional robes fires his gun during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

People attend Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A man cools off a horse after the endurance raid at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse riders in traditional robes parade during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A horse rider performs during the endurance's raid at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A horse rider in traditional robes poses during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A horse rider in traditional robes poses during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse riders in traditional robes parade during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse riders in traditional robes parade during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse riders in traditional robes parade during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 5, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horses are seen during the competition of model and style at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008.Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horse owners attend the competition of model and style at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

An owner of horses in traditional dress attends the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

People attend the competition of model and style at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

People attend the competition of model and style at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A man directs his horse during the competition of model and style at Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

People look at traditionnal saddles displayed at a fair during Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horsemen in traditional robes parade through town during the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June\ 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horsemen from the Republican Guard, in traditional robes, parade through town during the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4,2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horsemen in traditional robes parade through town during the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horsemen in traditional robes parade through town during the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

Horsemen from the Republican Guard, in traditional robes, parade through town during the opening of Algeria's 7th Horse festival in the country town of Tiaret 300 km from Algiers, June 4, 2008. Algeria's 7th Horse festival is a gathering that combines business, sport, fashion, social interaction, and races. The festival sees horsemen in traditional robes parading through the town of Tiaret known as Algeria's horse capital -- shooting rifles in the air to celebrate the glories of horsemanship. The horses include pure Arab breeds that are of great interest to buyers from the Gulf countries. Breeders come to sell, buy and discuss the animals.REUTERS/Zohra Bensemra(ALGERIA)

A Tibetan couple watch a horse race during the annual Yushu Horse Racing Festival in Yushu in west China's Qinghai province July 26, 2007. The annual horse racing festival features horse racing, Tibetan tumbling, horsemanship, archery, dancing and singing. REUTERS/Tim Chong (CHINA)