All peoples of the world have legends about an ancient catastrophe that befell our planet. Legends say that the disaster was accompanied by terrible floods, earthquakes, and volcanic eruptions; many countries became depopulated, and part of the land sank to the bottom of the sea. There is also a scientific hypothesis that this destruction and death was caused by a comet that invaded the Earth’s sky approximately 14–13 thousand years ago. What was the world like before the disaster? Many facts of ancient history and unique archeological finds reveal an unexpected picture to us. It proves that there once existed a highly developed civilization on Earth, that the peoples who died and dispersed as a result of the catastrophe had enormous knowledge in the fields of mathematics, medicine, construction, astronomy, aerodynamics, etc. Traces of this knowledge are found in Russia, India, Egypt , in South America...Orientalist and Indologist Alexander Gorbovsky (1930–2003) reveals to readers unknown pages of human history. Each chapter of the book ends with a commentary from outstanding researchers and scientists.