Ollantaytambo's "Temple of the Sun" has six massive stones no one can explain how they got there

The six pink rhyolite monoliths at Ollantaytambo's unfinished sun temple are each around 50 tons and were quarried from Kachiqhata — across the Urubamba river, up a cliff face, 6km away. Official explanation: ramps, ropes, rollers, hundreds of workers. Cool. Except the quarry is on a steep canyon wa……