Pisirici kasteli (Gaziantep) / Turkish Water architecture ...... The "kastel" (fountain) used to be part of a bigger group of buildings, and it is thought to have been built in 1282. "Kastels" are water fountains built below ground, and they are structures peculiar to Gaziantep. They are places for ablution, prayer, washing and relaxation.
Kish Qanat in Kariz, Iran converted into underground town @ 16 meters below the surface. it's an ancient system that brings groundwater from the mountains, through an aquifer, and emerges at an oasis through a series of tunnels.
Qanat cross section - Turpan water system - In Xinjiang, the greatest number of karez wells are in the Turpan Depression, where today there remain over 1100 karez wells and channels having a total length of over kilometres
The Once and Future Falaj Wherever water is scarce, elaborate systems are devised and intricate management systems of that resource are applied. Nowhere is this more demonstrated than in the case of Oman’s Falaj – an intricate network of underground tunnels and open canals that supplies fresh water from the mountains to the coast.