Puquio System for Water Management, Peru
These puquio holes in the area famous for Nasca lines, Peru, are interesting. With no written text to explain, someone, Rosa Lasaponara of the Institute of Methodologies for Environmental Analysis, in Italy, finally figured it out: They channel wind into underground tunnels, which brings ground water up to the surface for people to use. From a barren desert that can see no rain for years, to a livable habitat. This is brilliant.
The ancient Peruvian mystery solved from space Smart people.

The Puquios water system, Nasca region, Peru, used wind to push ground water to the surface, providing water for their people, and making a desert livable. Brilliant.