Morley Read / Timelapse of the summit of Cotopaxi Volcano (5,897m) after a heavy snowfall, showing vapour emanating from fumaroles, Ecuador, 2018. (non-ex)

Morley Read / Summit of Cotopaxi Volcano (5,897m) after a heavy snowfall, showing vapour emanating from fumaroles, Ecuador, 2018. (non-ex)

Kirkendall-Spring / Base of Lower Yellowstone Falls on the Yellowstone River in Yellowstone National Park, Wyoming, USA, July 2013.

Philippe Clement / Vapour trails from aircrafts among clouds in a blue sky, France

Bryan and Cherry Alexander / Boiling water exploding into vapour and ice when thrown into cold air at -51 degrees celsius. This is because boiling water is close to a gas and breaks into tiny droplets that freeze simultaneously....

Pete Cairns / Vapour trails left in blue sky by jet aircraft. Scotland, UK

David Woodfall / Water vapour and waste gases from gas central heating in house.

Ashley Cooper / Temperature inversion created clouds in Ambleside in the Lake District, UK, October 2004.

Ashley Cooper / Climbers on the arete leading up from the Vallee Blanche to the Aiguille Du Midi above Chamonix, France. September 2014

Ashley Cooper / Climbers on the Cosmiques Arete, climbing the ladder to access the cable car station, and a base jumper in a wing suite flying past. Mont Blanc from the Aiguille Du Midi above Chamonix, France, Septem...

Ashley Cooper / Mont Blanc from the Aiguille Du Midi above Chamonix, France, with climbers on the Cosmiques Arete, climbing the ladder to access the cable car station. September 2014

Ashley Cooper / Mont Blanc with climbers on the Cosmiques Arete, climbing the ladder to access the cable car station. Aiguille Du Midi above Chamonix, France, September 2014