INVENTORY OF TRADITIONAL KNOWLEDGE TO COMBAT DESERTIFICATION

PHOTOGRAPHICAL  AND  TYPOLOGICAL  INVENTORY

C9- WATER INTAKES AND CHANNELS TO IRRIGATE THE SLOPES
In Yemen mausoleums and holy places are almost always related to water harvesting. Above, the Hadramaut valley: the sanctuary above channels the runoff along the slope into the room of ablutions and prayer below. Below, northern Yemen: the rainfalls collected in the courtyard for prayer fill up the open-air cistern..
Yemen, underground cavities used for ablutions. All mosques always have hypogeal rooms which gather water. They are often devices which existed before and were built for the Sabean temples.
Petra. Left, the interior of a cistern. Right, a device for harvesting humidity along the slope, here called khottara, that works by means of channels that catch water on the walls and convey it to the pools underneath.
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WATER INTAKES AND CHANNELS TO IRRIGATE THE SLOPES
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INVENTORY OF TRADITIONAL KNOWLEDGE TO COMBAT DESERTIFICATION