second largest dune in the world, and it is crossed only by a large erk, which is located in the sahara desert in the middle of the caucasus, yes, in the middle of the caucasus mountains? 12 km of sand, according to one version , some incredible tornado somewhere in central asia in the desert collected a lot of sand, passed through the entire caspian sea, here it collided with the mountains and released, let’s say, everything among the mountains, not steam, not steam, sand, yes, of course, a theory , well, so-so, well, just imagine, this whirlwind, a tornado, what it should be just in its strength, but, but there is one scientific confirmation: the plants and animals that live here, you don’t you will find nowhere else in the caucasus, they live only in central asia and, by the way, the issue of safety here is also open, especially in the spring-summer period, here on the territory of this dune lives the most poisonous snake in russia, and the viper, yes, it’s the most, so it’s better not to meet with it , and especially not to try with it there somehow interact. sorykum has a special climate,