Peter Tompkins book takes us to the heart of the jungles of Mexico to the mysterious pyramids and ritual complex of Teotihuacan. The author tells in detail the story of the discovery of the pyramids of the ancient cities of Mesoamerica. Introduces the results of numerous archaeological studies and theories of pyramid researchers linking the size of buildings in Teotihuacan and the distance between them with the size of the Earth and the structure of the solar system. The author offers the reader unusual theories regarding the past of our planet.