As the highlight of Zhangjiajie Grand Canyon, Zhangjiajie Glass Bridge is the highest and longest glass-bottomed bridge in the world. It stretches 430 meters (1410 feet) long and 6 meters (20 feet) wide, hovering over a 300-meter (984-foot) vertical drop. The dizzying footbridge spans between two cliffs in the national park of Zhangjiajie. It's opened...
