Jose B. Ruiz / Pine tree propped-up, Sant Cugat del Valles, Barcelona, Spain.

Juergen Freund / Skeleton of dead cow propped up in desert. Baja, California, Mexico

Ashley Cooper / Old house at Recherchefjorden, Van Keulenfjorden, Spitsbergen, Svalbard. It is gradually sliding down slope due to solifluction and permafrost melt. Norway, July 2013.

Ashley Cooper / Old house at Recherchefjorden, Van Keulenfjorden, Spitsbergen, Svalbard. It is gradually sliding down slope due to solifluction and permafrost melt. Norway, July 2013.

Will Watson / Hay propped up to dry, in the foothills of the Carpathian Mountains,Yasinya,Transcarpathia, Ukraine, July 2013.

Will Watson / Family making hay, with hay propped up to dry, in the foothills of the Carpathian Mountains,Yasinya,Transcarpathia, Ukraine, July 2013.

Will Watson / Family making hay, with hay propped up to dry, in the foothills of the Carpathian Mountains,Yasinya,Transcarpathia, Ukraine, July 2013.

Ernie Janes / Bicycles propped up on Holkham Beach, North Norfolk Coast, UK

Ernie Janes / Two bicycles propped up against Blakeney NNR information sign, Cley Beach, North Norfolk, UK, September

David Woodfall / Cattle skull propped up on agricultural land affected by drought, Madyha Pradesh, India, Asia, November 2008

Jose B. Ruiz / Propped up trunk of ancient Holm oak tree (Quercus ilex) Xixona, Alicante, Spain

Paul D Stewart / The 'leisure Hour' January 1859, a pickled gorilla propped up with stick from the barrel in which it was preserved. It is a specimen from Paul Du Chaillu intended (as the label on the barrel lid state...