Giant ice disk appears in Presumpscot River, Westbrook January 16, 2019 at 05:00AMhttps://https://bbc.in/2AN3uiI The approximately 91m (298ft) wide frozen slab formed naturally and has been slowly spinning.

The approximately 91m (298ft) wide frozen slab formed naturally and has been slowly spinning.

from BBC News - World https://bbc.in/2RvAzdh