3 comments
How do they work?
More details here: https://en.wikipedia.org/wiki/Puquios
Apparently they dig a shaft down to the water table at a higher elevation and then tunnel from there to where they want the water to go.
How do they work?
More details here: https://en.wikipedia.org/wiki/Puquios
Apparently they dig a shaft down to the water table at a higher elevation and then tunnel from there to where they want the water to go.