China has begun construction on what it claims will be the longest and tallest glass-bottom bridge in the world. The bridge will be suspended across Zhangjiajie Grand Canyon in Hunan’s scenic Zhangjiajie National Park, which has claims to have inspired visuals for James Cameron’s 2009 film “Avatar”. An investor founded Zhangjiajie Grand Canyon Co. Ltd to to carry out the project and is putting a total of around 250 million yuan ($39 million) into the […]