The series of Sunday outdoor exhibitions were originally planned on a ten-year basis. About twenty artists participated in the project. It actually lasted for four years under police interruption. One of the leaders Zhao Dewei had 78 exhibitions in total on Sundays starting from January 1988. The exact number of artists and their works exhibited are not likely to be counted considering the format and extended duration of the project. Recorded members of the project include: ZHAO Weide, XING Weidong, MA Chengliang, LI Yuying, JIANG Yongjie, ZHANG Ge, WANG Peng, LI Shanjun, WAN Liya, LIANG Ke, SUN Yuejin, FAN Hua. Other participants include: MA Weijie, LIU Chuanbao, DONG Xiaoping, CHEN Zuxiao.