Xiangjiang Happy City Ice and Snow World – built on the natural deep pit of 100 meters, the whole building is suspended above the pit. It is the theme park that combines the world’s largest indoor snow park with a water park. The total indoor construction area of the project is 79,000 square meters, and the total height of the building is 95 meters. The structural form is a steel-concrete composite structure, wherein the steel structure roof is a concrete-filled steel tubular column + a giant box-shaped steel truss. The steel material is up to Q420GJC, the maximum plate thickness is 80mm, and the total excess is about 20,000 tons.