Saksaywaman — climbed it, touched the joints, still can't explain the 200-ton st

Above Cusco at ~3700m. Built by the Inca, used as the last stronghold in Manco Inca's 1536 rebellion against Pizarro's lot — that part's solid history, blood ran on those terraces. What I can't square is the masonry. The lowest course has limestone/andesite blocks estimated over 100 tons, a couple m……