In ancient times, geologists students of the 1st course went to summer practice: minerals, breeds to determine, layer layer elements to measure and other labyrinth, in general. They broke up a camp near the river and found an interesting pink crystal nearby. No tables for determining minerals are suitable, they have already turned their entire brain inadvertently, thinking they have already made a discovery in minerology.
He was brought to the old professor for praise. He looked at him slightly... and slipped! “Tyfu,” he says, “young people, it’s a jellyfish, keep it all foolish!
And you say that acid coasts are impossible.