Jabruson / Hippopotamuses fighting (Hippopotamus amphibius) taken before major crash in numbers in the 1990s due to political instability and hunting. Rwindi sector of the Virunga National Park. Democratic Repub...

Juergen Freund / Leatherback turtle (Dermochelys coriacea) baby speeding towards the sea. Warmamedi beach, Bird's Head Peninsula, West Papua, Indonesia, July 2009

Ashley Cooper / Happisburgh on the Norfolk Coast. This section of coast is the fastest eroding point in the UK and speeding up due to global warming induced sea level rise and increased stormy weather. August 2006

Ashley Cooper / Happisburgh on the Norfolk Coast. This section of coast is the fastest eroding point in the UK and speeding up due to global warming induced sea level rise and increased stormy weather. August 2006

Ashley Cooper / Happisburgh on the Norfolk Coast. This section of coast is the fastest eroding point in the UK and speeding up to to global warming induced sea level rise and increased stormy weather. August 2006

Ashley Cooper / Speed kills bears sign in Yosemite National Park, each sign marks a spot where a bear has been killed by traffic, California, USA. October 2014

Cyril Ruoso / Boater, in an inflatable boat, speeding by icebergs from Vatnajokull Glacier, Jokalsarlon Lagoon, Iceland

Bernard Castelein / A train speeding past an Elephant crossing sign Assam, India, February 2011.

Juergen Freund / Leatherback turtle (Dermochelys coriacea) baby speeding towards the sea. Warmamedi beach, Bird's Head Peninsula, West Papua, Indonesia, July 2009.

Colin Monteath / Hare that had been killed by a speeding car, Canterbury, South Island, New Zealand

Nick Turner / Thirty mile an hour 'Check speed' sign in village, Gloucestershire, UK 2003

Onne van der Wal / A tender with outboard engine speeding across the turquoise sea.