Han Monuments and Tangcheng: the Soul of the Sand Sea Guided by Bronze Mirrors

3. There is no golden finger, only a bronze mirror that can guide the way; there is no cheating in life, only a guardian who fights against the odds - the social animal Wang Ke traveled to Hexi in the Tang Dynasty, from being unarmed to the guardian of Qingyan Ze. He used modern wisdom to build beacon towers, salt roads, and built a city wall in front of the Turkic cavalry. It turns out that no matter how many thousands of years have passed, "protect your own people and protect your own home" has always been the most heart-wrenching resonance.