They are included on UNESCO’s Tentative List for World Heritage Site status as the Desert Castles of Ancient Khorezm.
[1] The Khorezm Oasis is an area of the Amu Darya river delta in western Central Asia.
[4] Power struggles in the wake of Alexander’s death destabilised much of Central Asia, and displaced tribes, including the Kushans, moved west.
[3] From the 4th century, Khorezm was subject to multiple attacks, including from the Huns, the Turks, and, later, the Arabs.
[3] The Afrighids (305-995) brought some stability, but they continued to fortify Khorezm to protect their territory and overland trade.