in wall at Sacsahuaman, Peru. It is not known how the pre-Incas
could have transported such enormous stones nor could have cut
them to fit so exactly, not only on the surface, but also in
depth, and finally, why they were set at such odd angles
perhaps for economy of cutting or to prevail against earthquakes.
(Photo: J. Manson Valentine)
of Forgotten Worlds by Charles Berlitz