What is the skill of coach Guo Dexiong in the swimming pool of Lanzhou National Fitness Center?

All right. Coaches are professional swimmers and have professional skills. They will help students according to specific plans, so teaching skills for one year will become very good. Lanzhou National Fitness Center is one of the key projects in Lanzhou. After all the supporting facilities are completed, the center will be officially opened in 20 19 1 month, with a swimming pool.