Built in 1958. According to the related exhibition of Tianjin Historical Memorial Hall, the elephant slide in Tianjin Second Palace was built at 1958. Tianjin, also known as Jingu and Jinmen, is a provincial-level administrative region, municipality directly under the Central Government, national central city and megacity of People's Republic of China (PRC), and the gateway to the opening up of northern China determined by the State Council.