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Tagsdepression
1 place carries this tag, across every kind and continent it appears in.
🇨🇳 China · Hydraulic works
Han dynasty 142 BCE to Qing · Han, Uyghur, Hui oasis communities
2000-year karez underground qanat network (5,000 km, 1,100 lines) feeding Turpan Depression vineyards from Tian Shan snowmelt.