Tim Fitzharris / The Windows Section from Double Arch at sunrise, Arches National Park, Utah

Tim Fitzharris / The Windows Section from Double Arch at sunrise, Arches National Park, Utah

Yashpal Rathore / Demoiselle crane (Anthropoides virgo) flying silhouetted and framed by Jarokha (carved windows) of a Haveli or townhouse. Khichan, Western Rajasthan, India. December.

Ernie Janes / Abstract photo of Tower Bridge, with blurred motion red bus, London, June 2013. Digitally manipulated.

David Woodfall / Mute Swans (Cygnus olor) swimming in Worcester city centre, during February 2014 floods, Worcester, England, UK, 10th February 2014.

Milan Radisics / Long-eared Owls (Asio otus) roosting in tree, Szeged city, Southern Hungary, February 2009

Igor Shpilenok,Igor Shpilenok / Red Foxes (Vulpes vulpes) fighting outside ranger cabin window. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, February.

Gavin Hellier / Two buddhist monks relaxing in the Bayon Temple, Angkor Wat, Siem Reap, Cambodia 2010. Model released.

Gavin Hellier / People commuting through glass walled passageway in modern building, Berlin, Germany, 2009. No release available.

Niall Benvie / Domestic Cat silhouetted in window. Estonia. No release available.

Ernie Janes / Garden tools silhouetted in potting shed window. September, UK.

Mark MacEwen / View from Burj Kalifa, the world's tallest building, Dubai at sunrise. United Arab Emirates (UAE) January 2010. No release available.