Memet Ali and his wife Bahail Idris patrol the Liaodun Fire Beacon Tower in Hami city, Xinjiang Uygur autonomous region, last month. Located about 100 km west of Hami city and 250 meters north of the Lianyungang-Horgos Expressway stands the Liaodun Fire Beacon Tower, known as one of the largest and best-preserved among the collection. When the Hami Bureau of …