China-icon (subdivision2)Zhangjiakouball is a cityball of China-icon (subdivision)Hebeiball, China-iconChinaball.He is within the area of "", cityballs in this area are good at industry and pollution.He is also the former capital of Mengjiangball and former capital city of Chaharball.He will hold the Winter Olympics in 2022 with Beijingball, that mean he will become the first city that hold Winter Olympics in China with Beijingball.

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