Besides steepness, watchtowers are symbolic of Simatai. The watchtowers are particularly close on this section of Great Wall. The minimum distance between towers is only 43.8 meters (48 yards). (Photo source: China.org.cn/Zhang Yunxing)
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Besides steepness, watchtowers are symbolic of Simatai. The watchtowers are particularly close on this section of Great Wall. The minimum distance between towers is only 43.8 meters (48 yards). (Photo source: China.org.cn/Zhang Yunxing)
