Strange on Ice, what is this ?

Sadly, this isn’t an alien world.


These weird formations are ice-covered wooden poles emerging from the sea at low tide.

The poles are all that remains of a dock on the Paljassaare peninsula in Tallinn,
Estonia.

 It must have been chilly on that day, because seawater requires temperatures of -2°C to freeze, which is a little colder than
the 0°C required by freshwater.

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