Ice circle of Vana-Vigala

The ice circle of Vana-Vigala is a natural phenomenon appearing on the Vigala River in Estonia while the river freezes.

[1] It can be seen in Vana-Vigala village near the old manor park.

[2] The diameter of the disk is approximately 23[3]–24[4] m. The first documented mention of this phenomenon is in 2004.

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