Matthew Maran / Hikers talking as they warm themselves by a campfire on a beach. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September 2010. Models released.

Juergen Freund / Researchers Guido and Katja Westhoff work in a mobile lab in the bush. To handle the deadly Common death adder (Acanthophis antarcticus) Guido puts the head and upper portion of the snake in a plastic...

Tim Laman / Ornithologist Brett Benz prepares a Huon Macgregor's Gardener Bowerbird (Amblyornis macgregoriae) museum specimen. At the Araurong field camp in the Sarawaget Range Indonesia, Dec 2006

Kirkendall-Spring / Winter campsite on Suntop Mountain, Baker-Snoqualmie National Forest, Washington, USA. March 2018.

Ashley Cooper / Specialist truck that takes water straight from the river and purifies it to drinking standards. In refugee camps for people displaced by the January 2015 flooding, Shire valley, Malawi. March 2015.

Ashley Cooper / Specialist truck that takes water straight from the river and purifies it to drinking standards. In refugee camps for people displaced by the January 2015 flooding, Shire valley, Malawi. March 2015.

Cyril Ruoso / Baka woman carrying large basket full of items through the rainforst during a move between camps, Cameroon, South East Cameroon, July 2008.

Richard Du Toit / Bats flying to roost in artificial bat house at night. Bat houses are built near camps to prevent them forming colonies in buidligns, Kruger National Park, South Africa.

Kirkendall-Spring / Campsite at night with city lit up below, Three Fingers Lookout, Boulder River Wilderness, Mount Baker-Snoqualmie National Forest, Washington, USA. August 2014.

Kirkendall-Spring / Camp site on Skyline Ridge in the Mount Baker Wilderness, Baker-Snoqualmie National Forest. Washington, USA, August 2013.

Kirkendall-Spring / Campsite at night on Cougar Ridge in the Mount Baker Wilderness with Mount Baker in the distance, Mount Baker-Snoqualmie National Forest, Washington, USA, August, 2013.

Floris van Breugel / Yellow tent illuminated in the waning twilight hours on the shores of frozen Garibaldi Lake with a view of Mount Price in the background. Garibaldi Provincial Park. Britisth Columbia, Canada, March 20...