Of course, the Forbidden City has a basement, but the scale of discovery is not yet called a basement. The basement in the past has become a huge underground treasure house. More than/kloc-0,000,000 precious cultural relics have been preserved and stored here. Therefore, the specific location of this underground treasure house cannot be disclosed to ordinary people. In order to protect cultural relics, the environment here is all set to constant temperature and pressure.
Different from the ground building security measures, the underground treasure house has an additional step of "approval". To get the key to the underground treasure house, the people in the cultural relics protection group must get the signature of the director of the security department.
Brief introduction of forbidden city
The Forbidden City in Beijing is the imperial palace of China in Ming and Qing Dynasties, formerly known as the Forbidden City, located in the center of Beijing's central axis. The Forbidden City in Beijing is centered on three halls, covering an area of about 720,000 square meters, with a construction area of about10.5 million square meters. There are more than 70 palaces and 9000 houses.
The Forbidden City in Beijing is one of the largest and best-preserved ancient wooden structures in the world. It is a national AAAAA-level tourist attraction and was listed as the first batch of national key cultural relics protection units in 196 1. 1987 is listed as a world cultural heritage.