Horse

Indian students travel on a horse cart surrounded by fog in Jammu, India, Thursday, Dec.18, 2014. As winter sets in, thick fog engulfs most of north India early mornings.

Channi Anand/AP

Students travel via horse and cart surrounded by fog in Jammu, India. As winter sets in, thick fog engulfs most of north India early mornings

Tyler Corrington of Hastings, Minn. competes in the saddle bronc riding during the fifth go-round of the National Finals Rodeo at the Thomas & Mack Center in Las Vegas

David Becker/Las Vegas Review Journal/AP

Tyler Corrington of Hastings, Minnesota competes in the saddle bronco riding during the fifth go-round of the National Finals Rodeo at the Thomas & Mack Center in Las Vegas

Horse whisperer Martin Tata lies with his five-year-old horse "Primavera" as he performs a demonstration of "Indian taming" at the Polo Club Puesto Viejo ranch in Canuelas

Enrique Marcarian/Reuters

Horse whisperer Martin Tata lies with his five-year-old horse ‘Primavera’ as he performs a demonstration of ‘Indian taming’ at the Polo Club Puesto Viejo ranch in Canuelas, northeast of Buenos Aires, Argentina

Giuseppe Zedde of "Leocorno" or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena...Giuseppe Zedde of "Leocorno" or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena  August 15, 2014. Each July 2 and August 16, almost without fail since the mid-1600s, 10 riders have hurtled bareback around Siena's shell-shaped central square in a desperate bid to win the Palio, a silk banner depicting the Madonna and child.

Stefano Rellandini/Reuters

Giuseppe Zedde of “Leocorno” or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena on Friday

Uyghur Life Persists in Kashgar Amid Growing Tension in Restive Xinjiang Province...KASHGAR, CHINA - JULY 28:  A Uyghur boy sits atop a horse as he has his picture taken outside the Id Kah Mosque before the Eid holiday  on July 28, 2014 in old Kashgar, Xinjiang Province, China. Nearly 100 people have been killed in unrest in the restive Xinjiang Province in the last week in what authorities say is terrorism but advocacy groups claim is a result of a government crackdown to silence opposition to its policies. China's Muslim Uyghur ethnic group faces cultural and religious restrictions by the Chinese government. Beijing says it is investing heavily in the Xinjiang region but Uyghurs are increasingly dissatisfied with the influx of Han Chinese and uneven economic development.  (Photo by Kevin Frayer/Getty Images)

Kevin Frayer/Getty

A Uighur boy sits atop a horse as he has his picture taken outside the Id Kah mosque in old Kashgar, Xinjiang province, China. Nearly 100 people have been killed in unrest in the region in the past week in what authorities say is terrorism but advocacy groups claim is a result of a government crackdown to silence opposition to its policies. 

In this May 29, 2014, photo, Martin Tata rides his horse Milonga as he guides other horses to a corral in San Antonio de Areco, Argentina. In San Antonio de Areco, a bastion of Argentine gaucho culture outside the capital of Buenos Aires, the 33-year-old Tatta is known as “the horse whisperer.” (AP Photo/Natacha Pisarenko)

Natacha Pisarenko/AP

Martin Tata rides his horse Milonga as he guides other horses to a corral in San Antonio de Areco, Argentina. In San Antonio de Areco, a bastion of Argentine gaucho culture outside the capital of Buenos Aires, the 33-year-old Tatta is known as “the horse whisperer.” 

The Pasola Jousting Festival...SUMBA, INDONESIA - MARCH 25:  A Pasola rider prepares to throw his spear during the pasola war festival at Wainyapu village on March 25, 2014 in Sumba Island, Indonesia. The Pasola Festival is an important annual event to welcome the new harvest season, which coincides with the arrival of 'Nyale' sea worms during February or March each year. Pasola, an ancient ritual fighting game, involves two teams of men on horseback charging towards each other while trying to hit their rivals with 'pasol' javelins and avoid being hit themselves.  (Photo by Ulet Ifansasti/Getty Images)

Ulet Ifansasti/Getty

A Pasola rider prepares to throw his spear during the pasola war festival at Wainyapu village in Sumba Island, Indonesia. The Pasola Festival is an important annual event to welcome the new harvest season, which coincides with the arrival of ‘Nyale’ sea worms during February or March each year. Pasola, an ancient ritual fighting game, involves two teams of men on horseback charging towards each other while trying to hit their rivals with ‘pasol’ javelins and avoid being hit themselves. 

Horse Racing - 2014 Cheltenham Festival - Cheltenham Gold Cup Day - Cheltenham Racecourse ...Abbyssial and jockey Ruby Walsh after falling during the JCB Triumph Hurdle Race during Cheltenham Gold Cup Day at Cheltenham Racecourse, Cheltenham. PRESS ASSOCIATION Photo. Picture date: Friday March 14, 2014. See PA story RACING Walsh. Photo credit should read: David Davies/PA Wire

David Davies/PA

Jockey Ruby Walsh lies stricken on the ground after falling off Abbyssial during the JCB Triumph Hurdle Race at Cheltenham racecourse on Friday. 

Horse Racing - 2014 Cheltenham Festival -  Champion Day - Cheltenham Racecourse...Racegoers check the form ahead of Champion Day at Cheltenham Racecourse, Cheltenham. PRESS ASSOCIATION Photo. Picture date: Tuesday March 11, 2014. See PA story RACING Cheltenham. Photo credit should read:

Tim Ireland/PA

Racegoers at Cheltenham racecourse on the opening day of the 2014 festival 

Horse Racing - 2014 Cheltenham Festival - Preview Day - Cheltenham Racecourse

David Davies/PA Wire.

Ruby Walsh, left, and Hurricane Fly gallop at Cheltenham racecourse on Monday