Hollow Earth, The Biggest Cover Up - The Full Documentary. This is done at the request by some of my Subscribers / viewers, also posted as 4 seperate parts on my channel. In this series i will try to unravel all the mysteries concerning this amazing topic. I will cover several rumors that are linked to the Hollow Earth theory, like the Nazi and Reptillian connection. So, sit back and enjoy the full Documentary and remember, keep an open mind!! . Music and video is the Legal property of TheMusicmemorylane. Music created with Magix Music Maker 13, created with Copyright free VTS Files. Produced in The Netherlands.