Thousands of tumbleweeds blow across Montana field – video

Amateur footage captures the moment thousands of tumbleweeds blew across farmland in Bozeman, Montana, during a blustery storm. The video, shot by Thomas J Forwood Jr at Davis Lane Pond, shows the peculiar scene as an army of spiny thistles bounded over a field. Forwood said he estimated the winds to be as much as 50mph at the time