Staffan Widstrand / Shadow of hiker, Sarek NP, Sweden.

Jeff Vanuga / Llama trekking in Wind River Mountains, Shoshone NF, Wyoming, USA

Asgeir Helgestad / Hunter taking aim to shoot with gun - dead Capercaillie in rucksack Vatnebrynvannet lake, Norway

Onne van der Wal / Split-level view of the hull of the Shannon Shoalsailor and a man walking past, illustrating how this innovative, keelless, shallow draft beachboat is designed to roam shallow waters, Exuma, Bahamas.