An extreme mountaineer and rock climber has shocked her fellow hikers after she climbed on top of a rocky cliff without wearing any safety equipment. https://filedn.eu/lhVNGNsizwl5t7THnzzJ2c8/New%20public/AsiaWire-JiuHuaMount-01.mp4 Drone footage shows the woman, whose name and age were not disclosed, knuckle-walking on the dangerous Tianchan Wangyue Cliff on the Jiuhua Mountain in…