it is suprising how quickly "experts' dismiss the potential visitation of ancient aliens. If anyone even watched the History channels docmentary on ancient buildings, one would see there is no way even today, to replicate these same monuments. If that is not evedence enough, take the ruins of Pumapunku Based upon the specific gravity of the red sandstone from which it was carved, this stone slab has been estimated to weigh 131 metric tons.The processes and technologies involved in the creation of these temples are still not fully understood by modern scholars. Our current ideas of the Tiwanaku culture hold that they had no writing system and also that the invention of the wheel was most likely unknown to them. The architectural achievements seen at Pumapunku are striking in light of the presumed level of technological capability available during its construction. Due to the monumental proportions of the stones, the method by which they were transported to Pumapunku has been a topic of interest since the temple's discovery.This culture along with other ancient cultures were visited by superior beings and given technology nthat we still do not have to this day