April 28th to May 3rd, 2023. According to the query of local treasures in Beijing, Tongzhou Songzhuang Grand Collection was hosted by the Economic Development Office of songzhuang town People's Government in Tongzhou District, Beijing, from April 28th to May 3rd, 2023. Tongzhou District, which belongs to Beijing, is the sub-center of Beijing and the seat of Beijing Municipal People's Government.