Robert HardingWe chose some of our favourite shots expressing solitude.
Woman sitting in the dunes, Erg Chegaga region, Sahara desert near Mhamid, Morocco
Le Gouffre house between rocks on the coast of Brittany, France
House in snow, St Anton, Austria
Roaring Brook Lake, Rear view of woman sitting on pier by lake
Tourist walking along a giant sand dune, Merzouga, Morocco, North Africa
Salar de Uyuni is the largest salt flat in the world and is in South West Bolivia
A hiker follows a footbed to the top of a mountain ridge, North Cascades National Park, Washington, United States
Lonely white dog waits in car for master
Desert, Dubai, United Arab Emirates
Lonely hiker walking above a sea of fog, low clouds, on Faehnerenspitze mountain in the Appenzell region, Switzerland