Ignorance I see .
What nasa is trying to hide is our real history and that we where more advanced
then Atlantis en Lemuria more advanced then Atlantis .
As a civilization we got infiltrated by lieyers who created wars to take controle.
After down fall of Lemuria we started again, but the same **** started to happen again. Before we destroyed our self and others. We (Earth) got quarantined and prefented the destructed wars we where fighting in the days of Lumeria.
If you wanna know how those Cities looked like in the days of Lemuria look at Starwars I & II & III or the Fifth Element. Gives you an Idea!!!!.