Do you know what can be called civilization? How many did ancient civilizations exist on our planet time? What knowledge did they have? What skills and technologies did they use? How did they manage to build large cities with roads, canals and temples without modern equipment? Why did they build ancient pyramids, large idols on the Eastern Island and leave us engraved people in spacesuits on the walls of the mountains? May be they were not the first inhabitants of the Earth? The answers to these curious questions, based on facts, myths, religions and various scientific theories, you will find in this book. The book is well illustrated, written in easy for understanding language and can be recommended for adults and children.