🇸🇾 Syria · Hydraulic works
Qasr al-Hayr East Canal Extension (Harbaqa Reservoir East Canal to Palmyra Steppe Palace)
Byzantine to Umayyad (580–728 CE) Palmyra steppe · Byzantine–Umayyad steppe palace (Hisham)
East Harbaqa canal 8.2 km rock-cut 2.2×1.4 m with 12 evaporation covers 180 m to Hayr East hayr 2.8 km wall.