Ernie Janes / Boat full of people watching Common Seals (Phoca vitulina) on sand bank at Blakeney Point, Norfolk, August 2013.

Enrique Lopez-Tapia / Tourists on a zodiac going past icebergs in Iceberg Alley, Pleneau Island, Antarctica

Gavin Hellier / Luxury cruise liner infront of Midtown Manhattan across the Hudson River, New York, USA October 2011. No release available.

Juan Carlos Munoz / People descending into the Thrihnukagigur volcano a dormant volcano, now used for tours, Iceland, Europe, June 2012

Erlend Haarberg / Tourists walking on Blahnjukur Volcano, Rhyolite mountains, Landmannalaugar, Iceland, August 2008

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Jeff Vanuga / Volkswagon driving through Jedediah Smith Redwoods State Park, California, USA, May, Model released

Brent Stephenson / Steller's Sea Lions (Eumetopias jubatus) resting on rocks above the tideline. Zodiac with tourists watching in the background. The Brothers, Alaska, United States, July.

Laurent Geslin / Blue-tailed damselfly (Ischnura elegans) on leaf in front of the Eiffel tower, Paris, France.

Matthew Maran / Shadow of trained Indian elephant (Elephas maximus) carrying wildlife watchers, in green pool of water, with Barasingha / Swamp deer (Cervus duvaucel) Kaziranga National Park, Assam, India, November 2...

Sue Flood / Russian Icebreaker, NS 50 Lyet Pobyedi (50 Years of Victory) approaching Rubini Rock, bird colony, Tikhaya Bukhta, Franz Josef Land, Russian Arctic, July 2008