A group of mountaineers building snow holes on Cairngorm in the Cairngorm National Park in Scotland, United Kingdom, Europe

scotland winter cold snow weather snow cover snow pack cairngorm cairngorms cairngorm national park climber mountaineer team team work snow hole survival shelter escape day outdoors people portraits man men mountaineers climbers snow holes great britain united kingdom europe snow caves digging shovelling one person one man only three quarter length 40 45 years 45 50 years horizontal