SR-71 High Altitude Reconaissance Plane

France, Savoie, Courchevel, on ski slopes, Le Cap Horn, an altitude restaurant

Snowshoeing

Chile, Atacama desert, Tatio Geysers at an altitude of 14 107,61 ft

Chile, the Atacama desert, the Miscanti laguna at an altitude of more than 4000m

Nepal, the Annapurnas region, avalanche in the Dhaulagiri massif

Yemen, Highlands region, Thula, city at an altitude of 8858 ft

Yemen, Highlands region, Thula, city at an altitude of 8858 ft

Yemen, the Highlands, Thula (city at an altitude of 8858 ft)

Yemen, the Highlands, Thula (city at an altitude of 8858 ft)

Yemen, Highlands region, Thula, city at an altitude of 8858 ft

Yemen, Province of Mahweet, Tawila (city at an altitude of 8858 ft)

France, Savoie, flowers of altitude meadows

France, Corse, Haute Corse, upper the Melo lake

Flying In A Plane At High Altitude

Flying In A Plane At High Altitude

Altitude plate

France, Savoie, Val Thorens, Domaine des 3 Vallees (The Three Valleys), altitude restaurant Le Caribou

France, Savoie, Courchevel, on ski slopes, Le Panoramic, an altitude restaurant

France, Savoie, Courchevel, on ski slopes, Le Cap Horn, an altitude restaurant

A view of clouds at a high altitude

An aircraft climbing to a higher altitude

Helium Ballon High Altitude Radar Platform Key West, Florida, USA

High Altitude Low Opening (HALO) Training Exercise