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.
Gorges State Park recovered from the interference of man to provide a thriving and unique habitat. One of the most damaging interferences to the Gorges environment occurred in 1916 when the dam containing Lake Toxaway broke. Record amounts of water gushed southward down the Toxaway River, destroying the communities in its path, scouring the gorges and leaving piles of debris 15 to high. Following the flood, local citizens eventually sold large land tracts in the Gorges to Singer Sewing Machine Company, which logged most of the land. Then, in the 1940s and 1950s, Singer sold the land to Duke Energy Corporation. The corporation