“Baikal Zen”: Rocks that have fallen on the ice of Lake Baikal are heated by sunlight and emit infrared rays that melt the ice below. Once the sun is gone, the ice becomes solid again, creating a small support for the rock above.
As someone that has grown up surrounded by beaches and done surf life saving, I know how the sea works. Lots of people dont. Every summer multiple tourists die here because they don’t respect the sea, if you’re going to the coast, here’s a thing I saw on Facebook.