David Woodfall / Residents walking through February 2014 floods from River Thames, Wraysbury, Surrey, England, UK, 16th February 2014.

Ashley Cooper / Low angle view of climber with crampons on boot, Aonach Mhor, Scotland, UK. March 2004

Ashley Cooper / Footprint in snow, Ambleside, Lake District, Cumbria, England, UK. February 2009

Juan Carlos Munoz / Farmer at sheepdog trial in Caitins, Iveragh Peninsula, County Kerry, Republic of Ireland. September 2015.

Juan Carlos Munoz / Farmer at sheepdog trial in Caitins, Iveragh Peninsula, County Kerry, Republic of Ireland. September 2015.

Eric Baccega / Young Nenet boy at camp wearing traditional winter boots made with reindeer skin. Reindeer (Rangifer tarandus) and sled in background. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.

Kirkendall-Spring / Boots and gators left out to dry at Walbran Creek Camp, along the West Coast Trail, Pacific Rim National Park Reserve, British Columbia, Canada, May 2015.

Pal Hermansen / Waymarker on hiking trail in the mountains, Norway, September 2010.

Stephen Dalton / Emperor / Giant African scorpion (Pandinus imperator) on boot, to demonstate scale

Gary K. Smith / Walking boot about to damage Cowslips {Primula veris} in mature pasture, Norfolk, UK, April

Jean E. Roche / Robin perching on walking boot {Erithacus rubecula} Camargue, France.

Kirkendall-Spring / Hiking boots outside a tent, Ferry Basin, Bailey Traverse, Olympic National Park. Washington, USA, August.