A member of the Scottish Avalanche Information Service looks at snow crystals to help assess avalanche risk on Cairngorm in the Cairngorm National Park in Scotland, United Kingdom, Europe

scotland mountain winter cold snow weather snow cover snow pack cairngorm cairngorms carngorm national park wilderness avalanche avalanche risk information snow structure snow crystals risk assesment avalanche probe demonstration man mountaineer clothing looking glass magnifying glass day outdoors people portraits one person one man only men head and shoulders waist up avalanche information service measuring checking testing technology avalanches risk assessment safety generic location 40 45 years mountaineers great britain united kingdom europe hat hats gloves vertical