A glass-bottom bridge in Hunan province is set to blow the rest of China's glass bridges out of the water. The new bridge, across the Zhangjiajie Grand Canyon in Hunan province, will open in the ...
the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out 70 feet from the canyon rim and view the bottom from 4,000 feet above.