Three Gorges Museum large reliefs, and 1-km (1,094 yards) long "Ecological Corridor". The museum covers an area of 42,497 m (c. 50,828 square yards). The exhibition hall covers 23,225 m (c. 27,778 square yards). There are four main displays: Further displays include: Another major exhibit is a 180° panorama of wartime Chongqing when it was the provisional capital of Free China and was subjected to Japanese bombardment. There is also a 360° cinema showing the natural and social scenery of the Three Gorges before the dam was constructed. A 1st-floor exhibition on the Three Gorges includes a model of the Three Gorges Dam.
Three Gorges Dam dam predate the National People's Congress's approval in 1992. This region has long been known for its rich biodiversity. It is home to 6,388 species of plants, which belong to 238 families and 1508 genera. Of these plant species, 57 percent are endangered. These rare species are also used as ingredients in traditional Chinese medicines. Already, the percentage of forested area in the region surrounding the Three Gorges Dam has dropped from twenty percent in 1950 to less than ten percent as of 2002, negatively affecting all plant species in this locality. The region also provides habitats to hundreds of