Cheryl-Samantha Owen / Aaron Price riding his horse 'Beau' over his Ranch, Gracie Creek, Sandhills, Nebraska. Garfield County, Nebraska, USA. October 2014.

Kristel Richard / Eagle hunter mounted on Mongolian horse with his female Golden eagle (Aquila chrysaetos) at Eagle Hunters Festival, near Sagsai, Bayan-Ulgii Aymag, Mongolia. September 2014..

Carol Walker / Cowboy galloping through snow, wearing thick sheepskin coat, Wyoming, USA, February 2012, model released

Kristel Richard / During the Festa do Colete Encarnado (Red Waistcoat Festival), a bull running festival, a traditionally dressed 'cavalheiro' delivers the 'banderilla' mounted on his Lusitano stallion in the bullring...

Kristel Richard / Portrait of a traditionally dressed estancia owner mounted on his stallion, during the Festa do Colete Encarnado (Red Waistcoat Festival), a bull running festival, in Vila Franca de Xira, District of...

Carol Walker / Spanish / Andalusian horse performing Alta Escuela moves, walking through waves on beach, Andalucia, Spain, model released

Jeff Vanuga / Horse and dog silhouetted at dusk. Bighorn Basin, Wyoming, USA. Model released

Kristel Richard / Silhouette of two traditionally dressed Indian riders, mounted on Kathiawari mares, backlit at sunset, in Gujarat, India, January 2011, Model released

Kristel Richard / Young police riders training on horses at sunrise, Bhavnagar Police Station, Gujarat, India, January 2011

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, galloping into battle firing their guns down during the Fantasia in Dar Es Salam, Morocco, June 2010

Christophe Courteau / Pantaneiros horsemen leading cattle and horse livestock along the Transpantaneira, Pantanal, Brazil, July 2008

Kristel Richard / Two riders on horses (Equus caballus) from the Gremio di Falegnamii, dressed in traditional costume, parade before the start of the Sartiglia (race to the star) in Oristano, Sardinia, Italy. February...