Juan Carlos Munoz / Tourists hiking along dirt track, Triglav National Park, Julian Alps, Slovenia, October 2010.

Orsolya Haarberg / High angle view of person walking on frozen lake of cracked ice. Lofoten Isands, Norway. January. Highly commended in the Landscape Category of the Oasis Photography Competition 2017. Highly commended...

Ole Jorgen Liodden / Man resting by tree with small fire, with Northern Lights in the sky above, Valdres, Norway, January 2005.

Kirkendall-Spring / Hikers on the trail to Three Fingered Jack, Mount Jefferson Wilderness, Duschutes National Forest. Oregon, USA, July 2014. Model released.

Steven Kazlowski / Photographer in front of Northern lights / Aurora borealis glowing brightly over the frozen eastern Beaufort Sea, Arctic National Wildlife Refuge, Alaska Model released.

Alex Mustard / A fisherman swims down to touch the statue of Christ Of The Abyss (Cristo degli abissi) for good fortune, in the Marine Protected Area of Portofino (Area Marina Protetta, Portofino), Liguria, Italy. M...

Alex Mustard / A diver explores Nikulasargj Canyona deep fault filled with fresh water in the rift valley between the Eurasian and American tectonic plates at Thingvellir National Park, Iceland. May 2011. In this ph...

Merryn Thomas / Man taking a photograph of Three Cliffs Bay, Gower, Swansea, Wales. January 2013. Model released.

Franco Banfi / Diver with rebreather inside sea cage used for aquaculture with thousand of Gilt-head bream (Sparus aurata) Ponza Island, Italy, Tyrrhenian Sea, Mediterranean. Model released.

Franco Banfi / Scuba diver under ice, Sassolo lake, Sambuco valley, Ticino, Switzerland. Model released.

Franco Banfi / Scuba diver under ice and ice formation, Arctic circle Dive Center, White Sea, Karelia, northern Russia March 2010. No release available.

Peter Cairns / Woman standing in front of Skogafoss waterfall, Iceland. Model released.