Zhangjiajie trip May 13-15th May 21, 2016 May 21, 2016 Wanna Travel Admin Wanna Travel Blog A trip to Zhangjiajie Grand Canyon and Avatar mountains The longest glass bridge in the world: Tags: avatar glass bridge grand canyon hunan shanghai wannatravel weekend trip Zhangjiajie About Author Wanna Travel Admin Previous postYellow mountains trip! May 13-15thNext postPictures from our meetup and free networking event on the Bund