[InternetTuffGuy]

I would be satisfied if somebody could just logicaly explain alll the architecture, the buildings made of 100 ton rocks...

I would be impressed if engineers, using modern technology, could re-create a "simple" 4 story building like the ones at Puma Punku.

[cripplecreek]

I would be impressed if engineers, using modern technology, could re-create a "simple" 4 story building like the ones at Puma Punku.

Give them the motivation ($$$) and they will.

[mvpel]

I would be impressed if engineers, using modern technology, could re-create a "simple" 4 story building like the ones at Puma Punku.

It only took about 100 years for us to go from horse-drawn carriages to lasers, so perhaps that technology was discovered millenia ago, then lost for millenia.