Last of the operating coal mines in Beijing that will close in the next four years, ending an 800-year-old practice in a bid to curb alarming air pollution.
coal mines in Beijing that were closed in 2016. They had a total annual production capacity of 1.8 million tonnes, according to Li Bin, deputy director of the coal management office Beijing Municipal Commission of Development and Reform.
set aside by central and the Beijing municipal governments in subsidies to local coal workers and miners in 2016.
1271 - 1368
period of the Yuan Dynasty during which the earliest official historical documents on coal mining can be found!