Espen Bergersen / Gulls (Laridae) seaching for food in water containing blood coming from a large fishing boat, Tromvik, Kvaloya, Troms, Norway, November 2014.

Hougaard Malan / Misty morning in the Drakensberg viewed from behind the Organ Pipes. Cathedral Peak Region, Drakensberg, South Africa. November 2012.

David Pattyn / Hanuman langur / Northern Plains Grey Langur (Semnopithecus entellus) drinking from a water tap at Ranthambore fort. Ranthambore National Park, Rajasthan, India.

Pål Hermansen,Pal Hermansen / Blue tit (Cyanistes caeruleus) with food in its beak at the entrance to its nest in the exhaust pipe of an old car, Bastnas, Sweden, June. Winner of the Fritz Polking Prize at the GDT competition 2013...

Graham Eaton,Graham Eaton / A land drilling rig with casing prepared, ready to be run in to line the wellbore. Kenya

Terry Whittaker,Terry Whittaker / Water Vole (Arvicola amphibius) emerging from pipe at side of river, Kent, UK, December

Steven Kazlowski / Trans-Alaskan Pipeline, with blooming fall tundra colours, that runs from Prudhoe Bay on the Arctic coast to Valdez at the north central coast of Prince William Sound, Alaska, USA

Bryan and Cherry Alexander / Truck carrying large section of gas pipe on a winter road near the Yurharovo gas field. Noviy Urengoi, Yamal, Western Siberia, Russia.

Stephen Dalton / Brown rat (Rattus norvegious) silhoutted in sewage piping, UK, controlled conditions

Jouan & Rius / Pipes carrying heated water from the geothermal power plant in Krafla volcano area, northern Iceland 2005

JIM CLARE / Huaorani indians in rainforest with blowpipes for hunting, Yasuni NP, Ecuador, South America

JIM CLARE / Huaorani Indians preparing curare poison for blow pipes Yasuni NP, Ecuador