Carol Walker / Lusitano horse, bull fighter mounted on grey stallion, in this type of bull fighting neither horse nor bull are injured, Portugal, May 2011, model released

Doug Perrine / Diver sitting in wreck of WWII Japanese fighter plane, Palau, Micronesia

Ashley Cooper / Roadside fire near Shepperton, Victoria, Australia, probably started by a motorist throwing a cigarette out of the window. This image was taken during the drought which 15 year drought which made bus...

Ashley Cooper / CFA fire fighters tackling a roadside fire near Shepperton, Victoria, Australia, probably started by a motorist throwing a cigarette out of the window. This image was taken during the drought which 15...

David Fleetham / Diver (MR) in the cockpit of a wreck of a WW II Corsair fighter plane off South-East Oahu, Hawaii. July 2007. Model released

David Fleetham / Divers on wreck of a WW II Corsair fighter plane off South-East Oahu, Hawaii. July 2007. Model released

David Fleetham / Two divers on a WW II Corsair fighter plane off South-East Oahu, Hawaii. July 2007. Model released

Pascal Kobeh / Divers around the wreck of a Japanese Fighter Seaplane, Koror, Palau, Philippines

Pascal Kobeh / Divers around the wreck of a Japanese Fighter Seaplane, Koror, Palau, Philippines

Barry Bland / Bull fighter / torero in traditional costume with cape, Plaza de Toros, Valencia, Spain. July 2014.

Barry Bland / Bull fighter / torero rolling over the back of bull, Plaza de Toros, Valencia, Spain. July 2014.

Barry Bland / Bull fighter / torero rolling over the back of bull, Plaza de Toros, Valencia, Spain. July 2014.

Barry Bland / Bull fighter / torero rolling over the back of bull, Plaza de Toros, Valencia, Spain. July 2014.

Barry Bland / Bull fighter / torero rolling over the back of bull, Plaza de Toros, Valencia, Spain. July 2014.

George Sanker / Topis (Damaliscus korrigum) mature males sparring in a Serengeti sunrise. Masai Mara National Reserve, Kenya, East Africa, January.

George Sanker / Bighorn Rams (Ovis canadensis) sparring in a high mountain pass in Jasper National Park, Alberta, Canada, October

Erlend Haarberg / Mountain hares (Lepus timidus) boxing, Vauldalen, Sor-Trondelag, Norway, May.

Franco Banfi / Wreck of airplane B-24 Liberator, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Wreck of airplane B-24 Liberator, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Wreck of airplane B-24 Liberator, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Scuba diver exploring the wreck of aeroplane 'B-24 Liberator' Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Scuba diver exploring the wreck of aeroplane 'B-24 Liberator' Vis Island, Croatia, Adriatic Sea, Mediterranean

Michael Pitts / Mitsubishi Zero, Japanese World War Two fighter plane, Kimbe Bay. West New Britain, Papua New Guinea

Carol Walker / Lusitano horse, bull fighter mounted on grey stallion, in this type of bull fighting neither horse nor bull are injured, Portugal, May 2011, model released

Carol Walker / Lusitano horse, bull fighter mounted on grey stallion, performing dressage steps, Portugal, May 2011, model released

Carol Walker / Lusitano horse, mounted bull fighter in arena with bull, in this type of bullfight neither bull nor horse are injured, Portugal, May 2011, model released

Carol Walker / Lusitano horse, mounted bull fighter in arena with bull, in this type of bullfight neither bull nor horse are injured, Portugal, May 2011, model released

Steven Fuller / Bison beside fire fighter spraying wood cabin with fire retardant foam to protect it from forest fire, Yellowstone NP, Wyoming, USA. 1988

Chris Gomersall / Jet fighter plane above Valley Lakes RSPB reserve, Anglesey, Gwynedd, Wales, UK

Dave Bevan / Siamese fighting fish {Betta splendens} female captive

Juergen Freund / Diver at wreck of WW II Japanese fighter plane 'Nakajima Kate' + anemone with clownfish, Kavieng, Papua New Guinea

Juergen Freund / Diver at the wreck of a WW II Japanese fighter plane 'Nakajima Kate', Kavieng, Papua New Guinea

Juergen Freund / Wreck of Japanese WW II zero fighter aeroplane, diver + Clownfish, Papua New Guinea

Juergen Freund / Diver at the wreck of a WW II Japanese fighter plane 'Nakajima Kate', Kavieng, Papua New Guinea

Juergen Freund / Wreck of Japanese WW II Mitsubishi F1 fighter aeroplane (also called Petes biplane) Rabaul, Papua New Guinea

Juergen Freund / Wreck of Japanese WW II Mitsubishi F1 fighter aeroplane (also called Petes biplane) Rabaul, Papua New Guinea

Roland Seitre / Peregrine falcon (Falco peregrinus) perched on the nose of stationary Mirage interception jet on on runway, France. Peregrine is used to chase birds away from the runways to avoid collisions with airc...

Roland Seitre / Peregrine falcon (Falco peregrinus) standing on runway in front of stationary Mirage interception jet, France. Peregrine is used to chase birds away from the runways to avoid collisions with aircraft...

David Fleetham / Two scuba divers exploring the wreck of a WW II Corsair fighter plane on the seabed, off south-east Oahu, Hawaii, Pacific Ocean. Model released.

Roland Seitre / Peregrine Falcon (Falco peregrinus) with fighter jet falconer, France

Yves Lanceau / Northern Fighter Hen, cock, 4 months, on grass, France

Yves Lanceau / Northern Fighter Hen, 4 months, on grass, France

David Fleetham / Divers above the tail section of a WW II Corsair fighter plane off South-East Oahu, Hawaii.

Shane Gross / A scuba diver next to the Mitsubishi Zero, Japanese World War Two fighter plane, Kimbe Bay. West New Britain, Papua New Guinea