Camargue, France, France --- Camargue-horses running through river --- Image by © Frank Lukasseck/Corbis
A horse is bathed in the stables on the backside of Churchill Downs prior to the 2005 Kentucky Derby in Louisville, Kentucky. Ben Burgeson/ NewSport
Wyoming, USA --- Wild Horse Running --- Image by © DLILLC/Corbis
New Mexico, USA --- Peruvian Paso Horse --- Image by © DLILLC/Corbis
04 Apr 2006, Camargue, France, France --- Wild Camargue Horses Running in Marsh --- Image by © Frank Lukasseck/Corbis
Przewalski's horse or Takhi horse (Equus caballus przewalskii) running in Hustain Nuruu National Park, Mongolia. --- Image by © Frans Lanting/Corbis
16 Nov 2007, Berkshire, England, UK --- Horse Running in Frosty Paddock at Templeton Stud Farm --- Image by © Ben Wood/Corbis
29 Apr 2009, Camargue, France, France --- Camargue horse --- Image by © Theo Allofs/Corbis
Horses on the beach --- Image by © Zero Creatives/cultura/Corbis
Two Horses Galloping Across Grassland --- Image by © 2/Tom Brakefield/Ocean/Corbis
White horse running in field, Fairplay, Colorado --- Image by © 68/Ocean/Corbis
South Dakota, USA --- Wild Horses from the Black Hills Wild Horse Sanctuary in South Dakota run across the open prairie near Hot Springs, South Dakota --- Image by © Layne Kennedy/Corbis
2010 --- USA, New York State, Hudson, Horse running in field --- Image by © Tetra Images/Corbis
Horse Thoroughbreds, Wassl 1988, --- Image by © The Irish Image Collection/Design Pics/Corbis
Headshot of Arabian horse, studio shot --- Image by © Marc Wuchner/Corbis
Detail of horse head --- Image by © Lea Roth/beyond/Corbis
08 Jun 2011, Iceland --- Herd of Icelandic horses running, Northern Iceland --- Image by © Arctic-Images/Corbis
Portrait of horse on black background --- Image by © Birgid Allig/Corbis
Wild Mustang (Equus caballus) palomino yearling filly and her spring foal brother grooming each other, Pryor Mountain Wild Horse Range, Montana
Wild Mustangs (Equus caballus) horses running, Red Desert, Wyoming
Oregon, USA --- Two horses running --- Image by © Frank Lukasseck/Corbis
White Horse in Snow --- Image by © Birgid Allig/Corbis
September 2003, New Mexico, USA --- Quarter Horse Mare and Colt Running --- Image by © DLILLC/Corbis
New Mexico, USA --- Galloping Horses --- Image by © DLILLC/Corbis
07 Apr 2006, Camargue, France, France --- Wild Horses Running on Beach --- Image by © Frank Lukasseck/Corbis
California, USA --- Wild Horse Running --- Image by © DLILLC/Corbis
Camargue, France, France --- Camargue horse running on marshland to cross the river, Saintes-Maries-de-la-Mer area, France. --- Image by © Keren Su/Corbis
Islay, Argyll and Bute, Scotland, UK --- Horse running in field --- Image by © John Short/Design Pics/Corbis
Two Arabian mares grazing in tall grass, side view --- Image by © 13/Eastcott Momatiuk/Ocean/Corbis
Quarter horses (Equus caballus) running in field (blurred motion) --- Image by © 13/Darrell Gulin/Ocean/Corbis
South Dakota, USA --- Wild Horses from the Black Hills Wild Horse Sanctuary in South Dakota run across the open prairie near Hot Springs, South Dakota --- Image by © Layne Kennedy/Corbis
18 Nov 2006, Noordhoek, South Africa --- Rearing horse on Noordhoek Beach, near Cape Town, South Africa --- Image by © Kit Houghton/Corbis
2010 --- USA, New York State, Hudson, Horse jumping in field --- Image by © Tetra Images/Corbis
Horse One Animal Livestock Grass White --- Image by © MASAAKI TANAKA/a.collectionRF/amanaimages/Corbis
Headshot of Arabian horse, studio shot --- Image by © Marc Wuchner/Corbis
Portrait of horse on black background --- Image by © Birgid Allig/Corbis
Portrait of horse on black background --- Image by © Birgid Allig/Corbis
Mackay, Idaho, USA --- Horses running in field --- Image by © David Stoecklein/Corbis
Germany --- Wild Horse (Equus caballus) herd of adults and foals running, Dulmen, Germany --- Image by © Konrad Wothe/Minden Pictures/Corbis
Wild Mustang (Equus caballus) family band running together in desert, Fifteen Mile Herd Management Area, central Wyoming