Dadunxia is located in Dahejia Town, Jishishan County, Linxia Hui Autonomous Prefecture, Gansu Province. The scenic spot is composed of three parts: bell mouth ditch, Bay frame mountain and injection wa ditch. The mountains in the gorge are emerald, shrubs are overgrown, and exotic flowers and weeds are filled with valleys. At the bottom of the gorge, clear streams are rippling, waterfalls are scattered in the mountains, and there are more exotic and ancient metamorphic rocks. The Dadun Gorge glass bridge is located in Dadun Gorge scenic area of Dahejia Town, Jishishan County. The bridge body is constructed by special glass conjunction technology without reinforced concrete. The bridge is 180 meters long and 2 meters wide. The bridge deck is nearly 100 meters from the bottom of the valley. The two Grand Canyons are steep in terrain, with the middle Canyon crossing, and the current under the bridge is turbulent. Standing on the bridge deck, you can see the beautiful and unique scenery of the Grand Canyon. When the fog rises in the mountains, you can also feel the feeling of walking on the clouds. Dadun Gorge Scenic Area has deep canyon, high forest coverage, beautiful environment and good primitive ecology.