Definately fake. We've seen many of these lately (due to Autodesk product development, I'm sure hehe) - but none better than these:
http://www.youtube.com/watch?v=AfqDV...eature=related
http://www.youtube.com/watch?v=3KRc7...eature=related
And this one explains a bit about how you could translate those high quality CGI-images and films:
http://www.youtube.com/watch?v=AjmG0...eature=related
So - there is simply no such thing called photographic evidence any longer, I guess...
However - I believe that it was Steven Greer who said: If you see something that seems to be man build (in Real Life, that is) - it probably is. True alien technology will really look...ALIEN...