Ollantaytambo: they dragged 50 ton blocks DOWN one mountain and UP another

last one from me, and its my favourite logistics nightmare. Ollantaytambo in the Sacred Valley, Peru. up on the temple hill theres the Wall of Six Monoliths, six big pink rhyolite/andesite slabs stood on end, around 50 tons each, with these thin worked stone spacers wedged between them. unfinished t……