When was the underwater city of Qiandao Lake discovered? How did you find out? How is it formed?

1959, due to the construction of Xin 'anjiang Hydropower Station, the "Lion City" and "he cheng" which started in the Han and Tang Dynasties were submerged under the blue waves overnight.

20 1 1654381on October 7th, the ancient city was rated as a provincial cultural relics protection zone.

20 1 1 In February, China National Geographic magazine published a group of exquisite photos of ancient underwater cities, which once again ignited the enthusiasm of all walks of life to pay attention to ancient underwater cities.

Search process:

200 1, the ancient underwater city of Qiandao Lake, Beijing Long Yuan Ocean Diving Club invested and developed a diving project in Wenxin Island of Qiandao Lake. Qiu Feng, who was then the head of the Planning Department of the County Tourism Bureau, went to negotiate and wanted to increase water sightseeing projects in Qiandao Lake. "Suddenly I remembered the ancient city my father said, so we entrusted their divers to look for it."

The first time to explore the ancient city was in September, 20065438 18. Qiu Feng found an old map from the county place name office. Several divers took their equipment and took two speedboats to the troubled waters. "Fortunately, I touched the city wall and picked up a brick." This is a wall brick with the words "23 years of the Republic of China" and "county magistrate Zhang Baochen" clearly engraved on it.

Excited Qiu Feng quickly wrote a situation report and found that the news of this ancient underwater city was passed on layer by layer. With the attention of county leaders, more underwater detection operations are rapidly launched. As the head of the Planning Department of the Tourism Bureau, Qiu Feng witnessed the thick ancient city wall made of every stone, as if he had walked into a costume drama. "

In the ancient lion city, divers found that the wooden beams, stairs and brick walls of some houses in the city still stood upright and did not rot. The walls of some big houses were intact, and the rooms were still carved with beams and painted buildings. Brush off the mud on the wall, and the lime in the crevices of the city wall is well preserved in the local map; The magnificent arched west gate also stands intact in the water and can be opened and closed. Pushing open the wooden door, the rivets and iron rings on it are still clearly visible ... At the same time, the diver also found a tile engraved with the words "Fifteen Years of Guangxu" and a stone tablet of Amin Dynasty in the mud at the bottom of the lake.

By means of GPS positioning system, multi-beam measurement system and side-scan sonar detection, the geographical positions of the main buildings, streets, cultural relics and historic sites in the city are accurately measured, such as Zhuangyuantai, Xin 'an Guild Hall, Yu Ying Guild Hall and Fangshi Ancestral Hall. Among the 23 merit archways in the city, the specific locations of Hakka Lian Deng Square, Yumen Third Square and Longlifang 1 1 archways are also determined one by one. A city with complete and clear overall planning ideas is just around the corner.

In 2005, the local tourism department once again discovered that there are two thousand-year-old ancient cities, namely, Lion City and he cheng, and three large ancient market towns, namely, Weiping, Port and Tea Garden, at the bottom of Qiandao Lake.

From April 27th, 20 12 to May 27th, 1 2008, the large-scale live broadcast of exploring the ancient underwater city of Qiandao Lake led by CCTV will continue. According to China Broadcasting Network, the most advanced underwater robots and cameras will be used in this underwater exploration, and the audience will be able to visit this ancient underwater city in the form of live reports by underwater journalists. At the same time, unmanned helicopters participate in aerial photography, and large satellite broadcast vehicles on the lake participate in live broadcast, forming a layout of underwater, water surface and space three-dimensional live broadcast.