Could civilization as we know it collapse soon?

Yes I think you'll need to find a video to convey what you were speaking of, because I am not fully understanding what you were referring to.

a67 wrote: Materials have a life time too. However, we can see it in the mysterious knowledge of sumerian.
And the perfection of pyramid in Egypt. Even if there could be giant they would need machine to made that perfection isometric.

Just because it seems hard to believe how well ancient civilisations managed to construct large buildings doesn't mean that they needed a machine to do it. If you wanted this to be more than just conjecture then you would actually need to find evidence of such a machine. Is there such evidence?

This it's a big but cool study already done for us.

A little bit of definitions
http://en.m.wikipedia.org/wiki/Axial_precession

A video is how many image?
Well, I say one act=thousand images
Precession of the earth : http://youtu.be/qlVgEoZDjok
(end video: serpent eat his own tail... Loll)

Little video that explain a little our binary constellation.
YouTube The Precession Of The Equinox Explanati… : http://youtu.be/8z97i3FBhSs

Here a pic of a particular weird thing found in the pyramid.
What does it look?
The link with the movie explain it.
http://www.lesconfins.com/Grimaultl010.gif

This it's a good movie to see!
A must see!
I am going to watch in english now.
2 hours on 1 million hours? Bah..
You can found it in HD but this one look more complete. Explain a lot.
PYRAMIDS SECRETS REVEALED : http://youtu.be/r6_N8GbZlsI