Have you ever wondered if our world has always been as you see it today? What did he look like when your great-grandparents were little? What has changed in a thousand years? And what was life like on Earth millions of years ago? Maybe people were hunting dinosaurs? No, they couldn't! And if you want to know why, open this book as soon as possible. She will give answers to the most tricky questions. Reveal the secrets of the past and surprise friends with knowledge of the world in which you and they were not yet.