⭘ "On December 10th, 2021, the launch ceremony of the laboratory and the “Delta Four” Marathon Forum was held in the Benyuan Lecture Hall of Shenzhen University. Planned and convened by Professor Liu Heng, 27 young architects from the Guangdong-Hong Kong-Macao Greater Bay Area held an intensive brain marathon speech and dialogue. Through the discussions about the future city and architecture issues, they addressed ten current problems we are facing, and jointly predicted and imagined the future human living environment."