We've all seen or read about "conspiracies". It is the belief that governments hide evidence of relevant facts for their peoples and for humanity.
Among these conspiracies, there is a very popular and is "extraterrestrial visitors, for example, the famous Area 51, which supposedly found evidence of an alien spacecraft that crashed there, obtaining the bodies of these aliens.
Another conspiracy is expressing that NASA never landed on the moon and that everything was done on stage.
