Nothing came easy for the Quechua people. After all, you don’t build stone storehouses on the side of a mountain for no reason. Imagine harvesting a bushel of corn, then having to haul it up the mountain for storage.

Nikon D800, Nikkor AF-S 28-300mm f/3.5-5.6G ED VR, ISO 100, 42mm f/7.1, 1/250s
At first glance, these structures seem to be quite inaccessible. However, a close inspection reveals the pathways that lead to these well-preserved buildings.

Nikon D800, Nikkor AF-S 28-300mm f/3.5-5.6G ED VR, ISO 100, 62mm f/7.1, 1/320s