An information sign at a checkpoint in Hailaar, Hulunbuir, Inner Mongolia autonomous region, which has a 1,733-kilometer-long boundary line with Mongolia and Russia. [Photo/VCG]

Autumn scenery in Arxan port in the region bordering Mongolia [Photo/VCG]
For more information, please refer to https://fangtan.customs.gov.cn/tabid/301/Default.aspx
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