This painful-looking video captures a man slipping and sliding down a set of icy stairs in an attempt to descend a mountain. https://filedn.eu/lhVNGNsizwl5t7THnzzJ2c8/New%20public/AsiaWire-RideBums-01.mp4 Smatphone footage shows two hikers encountering a frozen set of stairs on their way to climb down Hongyanding Mountain, near the city of Jinhua, in China's province…