Big avalanche in the remote and spectacular Fann Mountains, part of the western Pamir-Alay, Tajikistan, Central Asia, Asia

Lake in Rocky Mountains near Banff, with avalanche damage visible in bottom half of picture, Alberta, Canada, North America

Broken ice at the glacier Perito Moreno, National Park Los Glaciares, Argentina, Patagonia, South America

Broken ice at the glacier Perito Moreno, National Park Los Glaciares, Argentina, Patagonia, South America

Ice breaks down from the glacier Perito Moreno, National Park Los Glaciares, Argentina, Patagonia, South America

Boy (4-5) sitting on lakeshore, Avalanche Lake, Glacier National Park, Montana, USA

Woman with son (4-5) standing on lakeshore, Avalanche Lake, Glacier National Park, Montana, USA

Woman with son (4-5) standing on lakeshore, Avalanche Lake, Glacier National Park, Montana, USA

Portrait of woman with son (4-5) on lakeshore, Avalanche Lake, Glacier National Park, Montana, USA