The Stone Mosaics of Mitla
How do you cut and fit tens of thousands of stone pieces into geometric panels that hold together with no mortar at all — where every single piece has exactly one slot it can occupy, and a single mis-cut ruins the wall?
c. 850-1500 CE for the surviving palaces, on a site settled from around 200 CE and at its height around 1200 · San Pablo Villa de Mitla, Valley of Tlacolula, Oaxaca, MexicoAdded August 2026