202065438+1October 22nd. Inquired by the epidemic prevention and control headquarters of Chongqing, it was learned that Chongqing was closed in 2020 due to the epidemic, and on October 22nd, 2020/kloc-0, Chongqing was referred to as "Chongqing" for short, and it was one of the important national central cities, provincial administrative regions, municipalities directly under the Central Government, national central cities and megacities approved by the people of China.