Destruction... We encounter him daily, hourly. Here is a weak stem of grass sprouted through the asphalt and triumphantly turns green. How did this happen? Here, quite unexpectedly, a powerful metal structure, which would stand for centuries... For what reason? These and many other questions are answered by the author. A relaxed form of presentation, poetic examples confirming the author's thought, make the book interesting and informative. The book is intended for a wide range of readers, for everyone who wants to comprehend one of the great mysteries of nature. And above all, it is addressed to young people facing the choice of profession.