Tsinghua College has successively completed the leak-proof project on the roof of the education hall, the installation of solar panel power generation system, green planting, automatic drip irrigation and other projects. It is expected that the concept of sustainability and circulation will sprout on the roof of the education hall. The relevant equipment has been constructed. Tsinghua College sincerely welcomes teachers and students to enter the education hall and the top floor space to experience the common achievements and innovations of Tsinghua students, as well as the free and open learning environment of Tsinghua College.