Yva Momatiuk & John Eastcott / Glacier, Breidamerkurjokull, Jokalsarlon Lagoon, Iceland

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon at twilight, formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon at twilight, formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Orsolya Haarberg / Arctic tern (Sterna paradisaea), adult feeding young. Jokulsarlon glacial lagoon. Iceland. August 2008

Wild Wonders of Europe / O. Haarberg / Common eider (Somateria mollissima) pair, Jkulsrln glacial lagoon, Iceland, June 2008

Juan Carlos Munoz / Broken ice abstract, Jokulsarlon glacier lagoon. Southern Iceland, Iceland, Europe, March 2011.

Juan Carlos Munoz / Northern lights (Aurora Borealis) and moon in sky above Jokulsarlon glacier lagoon. Southern Iceland, Europe, March 2011.

Juan Carlos Munoz / Northern lights (Aurora Borealis) and moon in sky above Jokulsarlon glacier lagoon. Southern Iceland, Europe, March 2011.

Orsolya Haarberg / Glacier ice floating in the Jokulsarlon glacier lagoon, with Fjallsjokull in the background, sunrise, Iceland, September 2010

Orsolya Haarberg / Glacial ice floating in the Jokulsarlon glacier lagoon. Iceland, September 2010

Oriol Alamany / Glaciar lagoon below Torres del Paine, Torres del Paine National Park, Patagonia, Chile, January 2006