July 2023. Official website, Chongqing Municipal People's Government announced major municipal construction projects in 2022, including Chongqing Garden Expo Park Children's Palace. In September 2022, the main structure and secondary structure were completed, and it entered the decoration construction stage, and it was opened for use in July 2023. Chongqing, referred to as "Chongqing", is also known as the mountain city. It is a provincial administrative region, municipality directly under the Central Government, national central city and megacity in People's Republic of China (PRC).