Avalanche 'Control Work' Takes Place in Utah as Snow Races Down Mountainside

Avalanche control work was carried out in Little Cottonwood Canyon, Utah, on February 18, according to the state’s Department of Transportation.

This footage shows an avalanche triggered by a helicopter racing down the mountainside. Local media reported that the road below had been closed to allow the work to take place. Credit: John Gleason via Storyful