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...

TJ Rich / Tow lioness grooming {Panthera leo} Masai Mara, Kenya, Africa

David Fleetham / A tow-in surfer drops down the face of Hawaii's big surf at Peahi (Jaws). Maui, December.

David Fleetham / A tow-in surfer drops down the face of Hawaii's big surf at Peahi (Jaws). Maui, December.

David Fleetham / Helicopter filming a tow-in surfer at Peahi (Jaws) off Maui, Hawaii. Man in foreground is driving a jetski.

David Fleetham / Helicopter filming a tow-in surfer at Peahi (Jaws) off Maui, Hawaii. Model released.

David Fleetham / People watching from boat as a tow-in surfer takes a left at Hawaii's big surf spot, Peahi (Jaws) off Maui. January 2004.

David Fleetham / A tow-in surfer drops to the curl of Hawaii's big surf at Peahi (Jaws) off Maui, Hawaii. January 2004.

David Noton / St Cirque Lapopie at dawn, Lot Valley, Quercy, France, July 2015.

Kristel Richard / Sue Day's draft horse fully harnessed, awaits to tow, Maria, a 1814 wooden narrowboat, on the canals, near Marple, Metropolitan Borough of Stockport, Greater Manchester, England.

Kristel Richard / Sue Day, in a Victorian dress, drives her draft horse through a horse tunnel to tow, Maria, a 1814 wooden narrowboat, on the canals, near Marple, Metropolitan Borough of Stockport, Greater Manchester,...

Kristel Richard / Sue Day, in a Victorian dress, harnesses her draft horse to tow Maria, a 1814 wooden narrowboat, on the canals, near Marple, Metropolitan Borough of Stockport, Greater Manchester, England. July 2015.