Article 28FFZ Piece of ice in river forms perfect circle

Piece of ice in river forms perfect circle

by
Mark Frauenfelder
from on (#28FFZ)

circle-of-ice.jpg

https://youtu.be/JSfDQyf-sw8

It looks like a big piece of ice started spinning in a river current. As it rotated, irregular chunks broke off until it formed a circle.

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