Guy Edwardes / Path towards the coastguard cottages and the Seven Sisters Chalk Cliffs. Seaford Head Nature Reserve, East Sussex, UK, May 2009. *NOT AVAILABLE FOR BOOK COVER USE IN GERMANY, AUSTRIA AND SWITZERLAND U...

Guy Edwardes / Gatklettur, Arnarstapi, Snaefellsnes Peninsula, Iceland, March 2017.

Guy Edwardes / Vik i Myrdal church in winter, with full moon, Iceland. January 2015

Philippe Clement / Razorbill (Alca torda) looking around on sea cliff top at seabird colony in spring, Fowlsheugh RSPB Reserve, Aberdeenshire, Scotland, UK, May

Philippe Clement / Group of Alpine ibex (Capra ibex) climbing a cliff face, with others fighting above them, Gran Paradiso National Park, Graian Alps, Italy, June.

Philippe Clement / Three male Alpine ibex (Capra ibex) climbing up a steep mountain rock face, one pushes another one away, Gran Paradiso National Park, Graian Alps, Italy, June.

Philippe Clement / Two male Alpine ibex (Capra ibex) fighting on a steep mountain rock face, Gran Paradiso National Park, Graian Alps, Italy, June.

Ingo Arndt / View of Badlands National Park, with shadows cast between mountain peaks, and sediment layers visible, South Dakota, USA. September 2009.

Ingo Arndt / View of Badlands National Park, with shadows cast between mountain peaks, and sediment layers visible, South Dakota, USA. September 2009.

Ingo Arndt / Mount Rushmore National Memorial, South Dakota, USA, September 2009

Ingo Arndt / Waves crashing against ice cliffs of iceberg off the southern tip of South Georgia Island in wind storm, Southern Ocean, Antarctic Convergence, November 2008

Ingo Arndt / Seabird colony nesting on cliff face, Lange Anna, Helgoland, Germany