What are the unsolved mysteries of the ancient city under Qiandao Lake?

Qiandao Lake, located in Chun 'an County, Zhejiang Province, has the largest number of islands in the world. Qiandao Lake is an artificial lake built after the founding of New China. Its main water source is Xin 'anjiang River in Anhui and its tributaries, and the catchment comes from Shexian, Xiuning, Tunxi, Jixi, Qimen and southern huangshan district in Huizhou, Anhui.

Qiandao Lake is famous at home and abroad, and many tourists may not know it when they are intoxicated with the lakes and mountains. There are two thousand-year-old cities hidden under the blue waves of Qiandao Lake. Whether this ancient city, which has disappeared for more than half a century, can be seen again is still an unsolved mystery. ...

On September 2 1 0959, Xin 'anjiang Reservoir, the first large hydropower station designed and built by China, began to intercept and store water. In less than half a year, the mountainous areas below the elevation of108m in the reservoir area, including two ancient cities in Zhejiang and Anhui, three ancient towns and 1377 ancient villages, have successively sunk into the vast Xin 'anjiang Reservoir. /kloc-The peaks over 0/08m are scattered on the green lake, with as many as 1078, hence the name Qiandao Lake.

Among the submerged ancient towns, the most famous are Chun 'an and Sui 'an ancient towns, as well as tea garden, port and Weiping ancient towns. Among them, Chun 'an and Sui 'an are two ancient county towns, which locals used to call he cheng and Lion City. Both ancient cities have a history of 1800 years, and there are countless cultural relics, shops and houses in the city.

Before the dam of Xin 'anjiang Reservoir was impounded, in order to ensure the safety of passing ships on the channel of Xin 'anjiang Reservoir, large-scale demolition was carried out on tall ancient buildings in major towns and villages passing through the channel, including temples, archways, academies and bridges. Many ancient buildings were destroyed. According to local residents' memories, when Xin 'anjiang Reservoir was put into storage, many ancient buildings in the ancient city of Sui 'an were flooded because the rising speed of water potential exceeded people's expectations. Therefore, many ancient buildings with high historical and cultural value are probably preserved in the ancient underwater city of Sui 'an.