Zhangjiajie Grand Canyon Glass Bridge a 430-metre-long glass bridge has been constructed across a deep canyon in China's Zhangjiajie National Forest Park (+ slideshow). Designed by architect Haim Dotan, the Zhangjiajie Grand Canyon Glass Bridge is believed to be the world's longest and tallest glass pedestrian bridge Glass panels are set into its walkway, giving visitors vertigo-inducing views and photo opportunities of the canyon below
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