Qiandao Island Qiandao Mysterious Land is also known as the Secret Oxygen Bar. It is located in Fuwen Township, Qiandao Lake, Hangzhou. The Oxygen Bar is composed of ghost towns, wilderness valleys, bathing places, natural oxygen bars, and high-altitude zip lines. Here you can feel the horrible 18-story hell of the ghost town. The Savage Valley is composed of the Ayi Mountain Village, the Holy Water House, the Terror Zone, and the Pre-function Area. The Savage Dance, Stunt Tread Glass, Shangdao Mountain, Fire Dance, etc. The program makes visitors dazzled, and the high-altitude zip line is more able to experience the thrill of flying freely at a height of 100 meters.