I am a Christian, not a typical "main stream" christian but I believe my sins have been paid for by Christ on the cross. That said, I firmly believe in the biblical account given in Genesis and throughout the old testament including the account of the conquest in the Book of Joshua. I've also been looking at this topic for many years, and seen many theories.

I haven't read up on some of the authors in the video like Maars or Sitchin, but I believe that the megalithic ruins strewn across the world were constructed by a gigantic race. How can one look at the ruins in Tiahuanaco and think that the ancestors of the natives in that area built them?

But, as a Christian I cannot believe that we are the result of genetic experiments conducted by a gigantic alien race from "Niburu". Rather, I believe the gigantic race was the result of the offspring from human females and fallen angels as described in the Book of Genesis. That race had so corrupted the earth that God destroyed their handiwork in the great flood rescuing the genetic lineage from Adam to Noah and the few remaining genetically pure animals to "start" a new world after the flood. But, somehow the giants came back, Rephaim in Hebrew doesn't just mean "giants" it means reborn ones. That archeologist they had from Israel was just plain wrong on his etymology displaying his ignorance on the matter.

Just my opinion.