When a person stops being surprised, his life becomes boring and routine. But in fact, we are surrounded by many incredible, wonderful things and phenomena! The “This is Very Interesting” series tells young readers about such wonders created by nature and man. Unique giant machines, secrets of space and our living planet, unusual expeditions, scientific breakthroughs and discoveries, and much, much more! Reading our educational books, you will definitely be surprised and say: “Yes, this is very interesting!”