Heavy snow piles up on Boston roofs

Blizzard time-lapse shows snow piling up on Boston roofs

A time-lapse video published on YouTube shows snow piling up during massive blizzard in Boston from 3 pm on January 26, 2015 to 8 am on January 28.

The video was created from 5,000 images, recorded at 30-second intervals on a GoPro set on a roof of a building in Back Bay neighborhood of the city.