Introduction to Yunlong Bridge: Yunlong Bridge is the only bridge across the Yangbi River in Dali, and it is also an important water thoroughfare on the Bonan Ancient Road. Today, Yunlong Bridge has become the only surviving ancient bridge on the Bonan Ancient Road and the oldest existing suspension bridge in China. In the past 500 years, the bridge has been overhauled every 30 to 50 years. In 1993, Yunlong Bridge was listed as a key cultural relic protection unit in Yunnan Province.
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