Tom blok
Hydraulic noria in the Islamic World
Gul streg
Photo 511 x 506 pixels, 43,6 K
 
Noria in Hama, Syria
On every wheel there are 64 boxes which are filled with water one by one and later on emptied into an aqueduct. From time to time, the water level in the river fluctuates. Here it is springtime with a very high water level.
[44]