I've been reading his stuff for decades. Lately, I stumbled on his documentation of the canals built centuries ago. In addition to pictures, he has a video desc

I've been reading his stuff for decades. Lately, I stumbled on his documentation of the canals built centuries ago. In addition to pictures, he has a video describing some of the research on the canals. https://drive.google.com/file/d/1XAEuZJETYPknGMhtXkUEGkbZBExKcI4y/view https://drive.google.com/file/d/1XAEuZJETYPknGMhtXkUEGkbZBEx...