From shaft to pool
A karez is a sequence of holes, a dark channel, a ditch and a pond, made so that water spends less time in the sun.
The national craft listing describes a method for moving groundwater with little surface loss. A public park shows one such channel; it is not the whole system.
A karez is a sequence of holes, a dark channel, a ditch and a pond, made so that water spends less time in the sun.