A new cliff-side glass walkway has opened to the public in eastern China with an added novelty factor – it plays musical notes as visitors walk. The path stretches for 180m (590ft) along the side of a mountain in Shiniuzhai National Geopark, and features special double-layered glass, the China Daily website reports. It’s fitted with pressure sensors which play 70 different notes, so anyone brave enough to cross the path […]