Maine (CNN)- Take a look at this nearly perfect, spinning disc of ice that formed in a Maine river.
The massive formation drew curious onlookers to the banks of the Presumpscot river. According to a city of Westbrook official, the disc is roughly 100 yards in diameter. They also say it’s spinning in a counter clockwise direction. that same official captured this breathtaking drone footage of the amazing sight. Experts say discs can form in a slow-moving, rotating part of a river. The slow-moving water freezes faster, forming a circle of ice. It’s a natural but rare phenomenon.