oh wow so you are telling us that we can land humans on the moon, we have the technology to build huge dams, build warships that can house an entire city..so on and so forth   but we don't have the technology to build pyramids in the present day? cmon man!!  the fact that egyptians were able to build the pyramids  so long ago is exactly why it is one of the wonders of the world.....hmmm maybe taj mahal was built by aliens as well.....in the name of love for apes they screwed maybe? wacthu trippin on anyway?