🇩🇿 Algeria · Hydraulic works
Foggara of Tidikelt South (In Salah Tidikelt Foggara Extension)
Islamic Berber (900–1050 CE) Tidikelt Zenata · Zenata Berber Tidikelt (Algerian Sahara)
Tidikelt foggara 3.8 km 84 shafts 8–14 m with 12-notch peigne comb sharing 18 ha In Salah oasis 1050 CE.