Giant UFO-like spinning ice disk appeared in Maine town's river

Giant UFO-like spinning ice disk appeared in Maine town's river - and at 100 yards across its one of the biggest ever recorded of the rare phenomenon. The naturally occurring disk formed over the weekend in Westbrook, Maine on the Presumpscot River, drawing curious onlookers to investigate the strange sight.
Video: Judy Zhu
Producer: Ji Tao

Maine,ice disk,UFO,Presumpscot River,