Qiqihar is the second-largest city in the Heilongjiang province of China, in the west central part of the province. The built-up area made up of Longsha, Tiefeng and Jianhua districts had 959,787 inhabitants, while the total population of the prefecture-level city was shrinking to 4,067,489 as of the 2020 census. In 2024, the total registered population of the city will be 5.06 million. Among them…