Since Mythic ufologists fight for making their ET hypothesis believable, they had a powerful ally in the well known "discovery" of ancient cosmic visitors in the distant past.
A 3 hours documentary film shows in full detail the fallacy of these "evidence" created by fiction-as-fact writers.
http://www.youtube.com/watch?feature=player_embedded&v=j9w-i5oZqaQ
This is a must see for believers and skeptics.