Immaculately-cut stone walls ingeniously incline inward to protect from quakes and were lined both inside and out with banded sheets of solid gold. This, plus a great field of maize made with ...
The Chinkana tunnel network consists of enormous trenches lined with stone walls, ceilings, and carved stone beams. "The cavity would be from one meter to 2.60 meters wide by 1.60 meters high. We ...