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.