Many people prefer to think that there is only one world that has life on it. But for the more curious, there are so many mysteries, legends & contemporary stories to consider.
Chariots_of_the_Gods 1970 film
Erich has been challenged because of his POV. Many people are skeptical that intelligent life could have existed on this world in the very ancient past & that life might have existed on many worlds for a very long time. So its about how curious one is about exploring various idea that aren't always officially recognized by the $Y$TEM.
Before E von D started his quest of researching ancient history there was Zecharia-Sitchin. They both became the pioneers of perceiving more things & connecting more of the dots.
Curious people like, Philip-Coppens continue to explore the evidence & the many perspectives of various people on the ET Hypothesis.
https://desertshapes.blogspot.ca/search?q=ancient+aliens
https://desertshapes.blogspot.ca/search?q=ancient+aliens
