70501754 - British cave explorer Dave Nixon admires this stunning and remarkable crystal formation, deep underground in Whiterock cave, Mulu National Park in Sarawak Borneo, February 11, 2007. Dave Nixon was part of a group of British explorers that mapped an additi70501748 - Cvae explorer Tim Allen leans into an underground stream of water to quench his thirst in Moon Cave in Mulu National Park in Sarawak Borneo, February 2, 2007. Tim Allen was part of a group of British explorers that mapped an additional 26 kilometers of th70501750 - Cave explorer Dave Harley admires a pretty Gour Pool at the most remote part of the system in Whiterock Cave, Mulu National Park in Sarawak Borneo, February 10, 2007. Dave Harley was part of a group of British explorers that mapped an additional 26 kilome70501747 - Cave explorer Mark Wright leans into an underground stream of water to quench his thirst in Moon Cave in Mulu National Park in Sarawak Borneo, February 2, 2007. Mark Wright was part of a group of British explorers that mapped an additional 26 kilometers o70501749 - Four cave explorers plod up a very steep slope in Whiterock, Mulu National Park in Sarawak Borneo, February 9, 2007. These four British cave explorers were part of a team that mapped an additional 26 kilometers of the Mulu cave system.71422611 - Long exposure of waves on Lake Superior in fall, Pictured Rocks National Lakeshore, Upper Peninsula of Michigan.71422610 - Long exposure of waves on Lake Superior in fall, Pictured Rocks National Lakeshore, Upper Peninsula of Michigan.71415623 - Michigan, Pictured Rocks National Lakeshore, Miners Beach71415621 - Michigan, Pictured Rocks National Lakeshore, Miners Beach71415624 - Michigan, Pictured Rocks National Lakeshore, Miners Beach71418868 - Long exposure of waves on Lake Superior in fall, Pictured Rocks National Lakeshore, Upper Peninsula of Michigan.71415622 - Michigan, Pictured Rocks National Lakeshore, Miners Beach71377703 - Uganda; Western Region; Kibale National Park; Nkuruba crater lake south of Fort Portal; Part of the Kasenda crater group; depicted on the 20,000 Schilling banknote71339913 - Seagull in the fjord. Pictured in back light, Flatanger, Namdalen, Trondelag, Norway10012627 - Baked pasta with ham and sour cream in serving plate71099182 - anti smoking sign showing a pipe, cigarette and match, toy manufacturer Weizenkorn, Basel, Switzerland70433902 - ERITREA, Asmara, murals depicting the Eritrean-Ethiopian War
