DescriptionCR400BF-GZ-5143 and 5203 at Xidian (20210907085950).jpg
English: G7852 from Chengde South via Miyun, seen passing the crescent curve. Now things are clear: one combination runs G7851/7852→G915/916→G7853/7854, and another combination runs G7861/7862→G909/910→G919/920 (to Shenyang only).
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