Colin Monteath / Campers read in tents lit by flashlight, Cascade Saddle, Mount Aspiring National Park, New Zealand

Jack Dykinga / Snow covered coniferous trees beside Campers Lake, Willamette National Forest, Oregon, USA

Kirkendall-Spring / Two campers watching the sunset from campsight at Little Saganaga Lake in the Boundary Waters Canoe Area Wilderness, Minnesota, USA, Model released

Sven Zacek / Campers within sleeping bags, boreal forest at dusk, Estonia, Spring.

Colin Monteath / Campers relaxing at campsite on Cascade Saddle, Mount Aspiring National Park, New Zealand

Colin Monteath / Campers brewing coffee at campsite at Cascade Saddle, Mount Aspiring beyond, Mount Aspiring National Park, New Zealand

Juergen Freund / Australian Cassowary (Casuarius casuarius) at a campsite, watched by campers. Mission Beach, Queensland, Australia

Michael Hutchinson / Bear box on camp site, Prairie Creek, Redwood State Park, California, USA. Campers must put all food, toiletries and other odorous products in bear resistant boxes

Michael Hutchinson / Bear boxes on camp site, Yosemite NP, California, USA. Campers must put all food, toiletries and other odorous products in bear resistant box

Michael Hutchinson / Campers at Skogafoss waterfall, Iceland

Jim Brandenburg / Campers watching sunset, Quetico Provencial Park, Canada

Onne van der Wal / Canoe on the roof of a VW Camper Van parked up by the sea, South Island, New Zealand.