[shuckmaster]

Z. Sitchin's book 'The Lost Realms' has a very extensive & informative chapter on Tiahuanaco with lots of diagrams of the layout. Of course, he ties it in with his 12th planet astronauts but he does give a lot of info and interesting insight about the archaeological finds there. His theory is that it was constructed and operated as a tin mine and processing plant.

[blam]

Pre-Incan Ruins Emerging From Peru's Cloud Forest (Chapapoyas)

"The Chachapoya, distinguished by fair skin and great height, lived primarily on ridges and mountaintops in circular stone houses."