Kim Taylor / Bachacs / Leafcutter ants {Atta cephalotes} carrying sections of Cocoa leaf bearing 'riders' thought to ward off parasitic flies which would otherwise lay their eggs on the pieces of leaf. Trinidad, W...

Phil Savoie / Point-to-Point horse racing, low angle view of racehorses jumping fence, Monmouthshire, Wales, UK. March 2014.

Phil Savoie / Point-to-Point horse racing, low angle view of racehorses jumping fence, Monmouthshire, Wales, UK. March 2014.

Eric Baccega / Salt caravans made up of hundreds of Dromedary camels (Camelus dromedarius) and their pullers transporting salt slabs cut from Lake Assale to the Mekele Market, Danakil depression, Afar region, Ethiop...

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 / 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...

David Tipling / Eagle hunters with golden eagles (Aquila chrysaetos) on route to the Eagle Hunters festival near Ulgii Western Mongolia, October 2009. Winner of the Indigenous Cultures Award in Nature's Best Competit...

Jabruson / African elephants crossing river with riders. Democratic Republic of Congo, Garamba National Park.

Kristel Richard / Costumed riders participating in Tondeslagning, in the streets of Store Magleby, Denmark. Tondeslagning is an ancient tradition to bring good crops by smashing a barrel which is supposed to contain th...

Phil Savoie / Point-to-Point horse racing, low angle view of racehorses jumping fence, Monmouthshire, Wales, UK. March 2014.

Phil Savoie / Point-to-Point horse racing, low angle view of racehorses jumping fence, Monmouthshire, Wales, UK. March 2014.