Competition hall introduction: The Olympic competition hall is the core area of ​​the Water Cube. The entire hall is 116m long, 70m wide, 30m high, and 8120m2 in area. There are two swimming pools inside, the swimming pool is 25 meters * 50 meters, and the water depth is 3 meters; the diving pool is 25 meters * 30 meters, and the water depth is 4.5-5.5 meters. The seating area has more than 5,000 standard seats. The seats are of the same color as the water and sky, like layers of waves splashing from a pool of clear water. The air quality in the hall is excellent, and the beautiful combination of natural light, sound effects, architectural structure and colors jointly create a comfortable, pleasant and exciting comprehensive indoor environment.