Kachiqhata Quarry Trail: Tracing the Megalithic Drag-Slips Across the Urubamba River Across the Urubamba River from Ollantaytambo’s temple terraces, a quarried hillside of pale pink stone preserves some of the most legible engineering evidence in the Inca world. The rampas—inclined drag channels cut into living bedrock—record the exact path that […]