Definition
Underground drainage gallery, gently sloping and punctuated by access shafts, that brings groundwater to a palm grove or a town without pumping; the traditional technique of the oases and of the Marrakech region.
Glossary
Underground drainage gallery, gently sloping and punctuated by access shafts, that brings groundwater to a palm grove or a town without pumping; the traditional technique of the oases and of the Marrakech region.