Aimei ZHANG. “THE CONSTRUCTION OF THE BEACON AND WATCHTOWER SYSTEM OF THE GREAT WALL DURING THE HAN DYNASTY”. News of the NUUz 1, no. 1.1.1 (January 31, 2024): 30-33. Accessed November 23, 2024. https://journalsnuu.uz/index.php/1/article/view/567.