The sea is like the sea. The water temperature dep...

The sea is like the sea. The water temperature depends on the currents, therefore, I once came to rest, but all this time, not counting the last day, the water was cold, 20-21 degrees. Actually, there is only one type of poisonous jellyfish, and their bite is comparable to that of a nettle, this is not serious. The central beaches of Russia are very dirty, so it is better to swim closer to the outskirts of resort towns.