The civil structure and the steel structure capping of the main stadium of Hangzhou Olympic and International Expo Center, one of the most important venues for Hangzhou Asian Games, was finished on 28th May. It is now focusing on the internal decoration and equipment installation. It is predicted that the venue will be completely finished in December 2020. Adopting unique streamline design, the main body consists of the stadium and the natatorium. The picture shows the laying of metal layers on the steel grid cover of the main stadium.