A New History of Ancient Civilization - Rakesh Kumar Mishra - Bog

The idea of ancient civilization having contact with extraterrestrial Life is a popular in Science Fiction and conspiracy theories. however, here is no scientific evidence that any ancient civilization connect with contact of extraterrestrial life.there are some claim that Mayan had contact with alien visitor's who left behind evidence of their existence . however, these claim are not supported by any scientific evidence and are considered to be pseudoscientific.