Jets with vapour trails in blue sky, view from below (digital composite)

Heart shaped cloud pierced by airplane

England, Suffolk, lone oak tree against sky with aircraft vapour trails

Young woman wearing winter hat, laughing, outdoors

Contrail and blue sky reflected in pond with water lilies

Aeroplane vapour trails forming cross-shape in sky

Fading vapour trails and aeroplane in sky, low angle view

Beach scenic, sunset, aircraft vapor trail in sky

Fading vapour trails in sky over bridge, low angle view

Vapor Trails

Woman with arms raised, vapour trails in sky, low angle view

Germany, Hesse, Frankfurt, skyscrapers and plane, low angle

Curve Ahead warning road sign with Mojave Desert in background and contrails in the sky in Californi

Vapor trail behind clouds on sunset sky

Vapor trail behind clouds on sunset sky

Aircraft vapour trail against deep blue sky

Geyser field Sol de Manana, Altiplano, Bolivia, South America

Tatio geyser, Atacama desert, northern Chile, South America

Boiling, bubbling mud, Hveraroend geothermal region at the foot of Mt. N

Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA

Iron on top of an ironing board

Tea kettle with steam indoors

Tea kettle with steam indoors

Businessman toting luggage through dry lake bed, rear view