Children learning to ski at Snowmass, near Aspen, Colorado, United States of America, North America

Snowmass Ski Area near Aspen, Colorado, USA

Barn near Snowmass Village, Aspen region, Rocky Mountains, Colorado, United States of America, North America

Barn near Snowmass Village, Aspen region, Rocky Mountains, Colorado, United States of America, North America

An avalanche rescue dog, trained to sniff out victims buried in avalanches, finds a buried practice victim buried in the snow on the slopes of Snowmass Ski Resort, near Aspen, Colorado

Avalanche rescue dogs, trained to sniff out victims buried in avalanches, are carried down the slopes of Snowmass Ski Resort, near Aspen, Colorado to avoid injury.

An avalanche rescue dog, trained to sniff out victims buried in avalanches, finds a buried practice victim buried in the snow on the slopes of Snowmass Ski Resort, near Aspen, Colorado

An avalanche rescue dog, trained to sniff out victims buried in avalanches, finds a buried practice victim buried in the snow on the slopes of Snowmass Ski Resort, near Aspen, Colorado

An avalanche rescue dog, trained to sniff out victims buried in avalanches, on the slopes of Snowmass Ski Resort, near Aspen, Colorado with his owner, handler digging in background.

An avalanche rescue dog, trained to sniff out victims buried in avalanches, finds a buried practice victim buried in the snow on the slopes of Snowmass Ski Resort, near Aspen, Colorado

Skier skiing on snow Aspen Snowmass, Aspen, Colorado, USA

Skier jumping off cliff Aspen Snowmass, Aspen, Colorado, USA

A bicycle rider in the woods

A bicycle rider in the woods

Biker in the woods

Ski tail in snow Aspen Snowmass, Aspen, Colorado, USA