UFOs vs religion, page-26

Absolutely. I have made several dry rock walls and I love fitting the rocks together in as neat and tight fitting formation as I can.

The walls in Cusco are mind blowing. Their fit and weight defy belief. Puma Punku might be the most astonishing of all the ancient sites.

But I don't believe any of this has an alien content. As far as I have been able to ascertain, no DNA other than human has ever been found in the elongated skulls of the area, but as a mystery, it's a beauty. South America may have been home to tens-of millions of people who were exterminated by disease and Toledo steel delivered with missionary fervour.