Kizilgaha Beacon Tower, as one of the military communication security facilities on Tian-shan Mountains Southern Route west of Yumen Pass from 2nd Century BC to 3rd Century AD, is located on the north edge of Tarim Basin and the terrace at the southern foot of Queletage Hill. As the best preserved and largest existing ancient beacon tower on the Silk Roads, it witnessed the importance of beacon towers for the large scale transportation system of Han Dynasty to secure long distance transportation and exchanges.
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