Go back to work. Tongshan district, formerly known as Pengcheng County, belongs to Xuzhou City, Jiangsu Province, and is named after Tongshan Island in Weishan Lake. As of 20221October 20th 10, the regional cultural center has resumed work and is expected to be completed in 2023. Tongshan district Cultural Center will build a new cultural center integrating cultural centers, libraries, museums, theaters and cinemas in the south of the city.