June 15，from the Capital Library、The "First Map forum · Nanhai Zi History and Cultural Lecture" jointly planned by the Propaganda Department bet365 best casino games of the Daxing District Committee of Beijing。Professor Wang Qiheng of Tianjin University combined with relevant historical documents、Style lightning file，Tell the audience to tell the historical evolution of Nanhaizi。This series of lectures and exhibitions in the same period will continue until July 21。