Jouan Rius / Desert Bighorn sheep (Ovis canadensis) flock, Valley of Fire State Park, Nevada, USA, May.

Paul Williams / View from plane of desert, December, Pakistan.

Paul Williams / View from plane of Mountains and river channels, Awaran Tehsil, South West Pakistan, December.

Paul Williams / View from plane of landscape between Broome and Perth, Australia, October.

Tim Laman / Photographer Tim Laman in the front seat with pilot Max Ammer in ultralight float plane before take off to shoot aerials of the Raja Ampat Islands, West Papua, Indonesia. October 2010

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

Fabio Liverani / View of river, and surrounding grassland, with flowering trees, Horton Plane National Park, Sri Lanka, June 2010

Louis Gagnon / Firefighting plane releasing water collected from the ocean to extinguish forest fire, Gulf of St Lawrence, Canada.

Doug Allan / Volcanic Mt Erebus is visible from ice airstrip where cargo is being dropped, McMurdo Station, Ross Sea, Antarctica.