Speaking of the large-scale competition venues such as the Bird's Nest and the Water Cube built for the Beijing 2008 Olympic Games, it can be said that the 2008 Olympic Games attracted the attention of the whole world. With the end of the Olympic Games, how to make better use of these venues has become one of the key tasks of Beijing Major Projects Office. As a national swimming center, the "Water Cube" should also be transformed into ice cubes. After being transformed into ice cubes, its main functions can be reflected in the following aspects:

First, as a venue for hosting the 2022 Beijing Winter Olympics. In line with the principles of green, * * * enjoyment, frugality and technological upgrading, we will further reduce the expenditure on venue construction before the games and on venue reconstruction after the games. According to the demand of the Winter Olympics, the Water Cube will transform the original swimming area into a curling venue, and on the basis of the original venue, four standard curling competition tracks will be formed through new materials and new technologies to achieve the two-way goal of wonderful Olympics and sustainable development. After the renovation, the curling competition venue can accommodate about 4000 people to watch the competition.

Second, the transformation from water cube to ice cube has provided a new model for the reconstruction of Olympic venues around the world. The perfect switch between water cube and ice cube can not only meet the needs of winter ice events, but also retain the sports function of summer Olympic Games, which also provides a brand-new model for the operation of Olympic venues around the world. It can not only reduce the huge expenditure brought by the construction of Olympic venues, but also make the venues more useful after the games, and put the concept of sustainable development and utilization into it.

Thirdly, the transformation of the water cube into ice cubes also represents a significant improvement in China's environmental protection standards. Adopting new materials and technologies, changing the traditional practice of making ice on the concrete floor and transforming the overhead structure in the swimming pool track not only embodies the concept of environmental protection, but also realizes the repeated recycling of materials in the later period.