At the end of World War II the character of the city changed when it took on an administrative role as the preeminent city in western Hebei, and developed into an industrial city.
There are 32 domestic routes arriving at and departing from Shijiazhuang, including destinations such as Shanghai, Shenzhen and Dalian.
Jin and his accomplices were later executed.
As air pollution in China is at an all-time high, several northern cities are among the most polluted cities and have some of the worst air quality in China.
Shijiazhuang was then little more than a local , subordinated to the flourishing city of a few miles to the north.
A lack of cold air flow, combined with slow-moving carrying industrial emissions, collected to form a thick layer of smog over the region.