Guy Edwardes / Old Swanage Pier, Swanage, Isle of Purbeck, Dorset, England, UK. December 2014.

Alex Mustard / Pair of Bar jacks (Caranx ruber) hunting Silversides (Atherinidae) inside cave. Devil's Grotto, George Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Gavin Hellier / Elevated view over the Old Town of Kotor, Bay of Kotorska, Adriatic coast, Montenegro, Balkans 2007

Gavin Hellier / Cobbled street lined with colourful houses known as Kujundziluk, one of the oldest streets in Mostar leading to the Old Bridge, Old Town, Mostar, Herzegovina, Bosnia and Herzegovina, Balkans, 2007. No...

Kirkendall-Spring / Heidelberg Castle and the old town viewed from across the Necker River, Heidelberg, Germany, Europe

Alex Mustard / Tarpon (Megalops atlanticus) hunts silversides (Atherinidae) inside a coral cavern. George Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Alex Mustard / Bar jack (Caranx ruber) hunting a school of silversides (Atherinidae) in a coral cavern. George Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Sven Zacek / Tallinn old town, UNESCO World Heritage Site, in evening light. Harjumaa, Estonia. May 2011.

Sven Zacek / Tallinn city wall and old town, UNESCO World Heritage Site. New town and Lake Ulemiste beyond. In evening light. Harjumaa, Estonia. May 2011.

Derek Galon / Montserrat, Exclusion Zone V, old capital town Plymouth destroyed by volcano. Volcano is still active, with volcanic gas and dust visible in the sky. June 2012

Derek Galon / Montserrat, Exclusion Zone V, old capital town Plymouth destroyed by volcano. The Volcano is still active, with volcanic gas and dust visible in the sky. June 2012

Derek Galon / Montserrat, Plymouth - remains of old capital town destroyed by volcano. Now a restricted zone due to still active volcano. June.