A photo taken on October 4, 2015 shows thousands of people on and near the all-glass bridge, which is located in Pingjiang County, in Central China's Hunan province. The all-glass bridge is suspended 180 meters over a canyon. It received around 20,000 visitors on last Friday, the second day of China's current week-long National Day holiday. (Photo: Chinanews.com/Liu Hongqiang)
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