Freezing weather has brought a surprising new feature to the town of Westbrook in Maine. An enormous circle of ice has formed in the Presumpscot river in the middle of the town.

The disc, estimated at 90 metres in diameter, is slowly rotating anti-clockwise like a frozen carousel. A video posted on Twitter shows a few ducks enjoying the ride.

Tina Radel, marketing and communications director at the mayor’s office, used the city’s drone to take aerial shots of the disc. She first learned of the disc on Monday, but a local birdwatcher told her it has been building up for about three weeks.

Honestly the best part of this ice disk are the ducks taking a ride on it