In the chilly morning air, one can see chimney smoke rising from nowhere, as the simple homes of the Tarahumara People, built of native rock and wood blend into the landscape. The sounds of laughter and the chopping of wood echo in the hills and canyons, yet from a distance the vista seems uninhabited.
https://en.wikipedia.org/wiki/Copper_Canyon
https://en.wikipedia.org/wiki/Copper_Canyon