Stone walls on the left of this sunlit walkway in the Incan ruins of Ollantaytambo, Peru, are tightly fitted and square-cut, while the wall on the right is more random and mortared.
Stone walls on the left of this sunlit walkway in the Incan ruins of Ollantaytambo, Peru, are tightly fitted and square-cut, while the wall on the right is more random and mortared.