{ "contentStorage": "postgres", "title": "Line 21 (Guangzhou Metro) · Relations", "description": "Line 21 (Guangzhou Metro) is a metro line, opened on 28 December 2018, with 20 stations.", "url": "/en/concepts/guangzhou-metro-line-21/relation.html", "entity": { "customFields": [ { "key": "line_opened", "value": "28 December 2018" }, { "key": "line_last_extension", "value": "20 December 2019" }, { "key": "line_stations", "value": "20" }, { "key": "line_termini", "value": "Tianhe Park station – Zengcheng Square Station" }, { "key": "line_status", "value": "In operation" } ], "id": "concept_guangzhou_metro_line_21", "type": "concept", "title": "Line 21 (Guangzhou Metro)", "slug": "guangzhou-metro-line-21", "aliases": [ "广州地铁21号线" ], "summary": "Line 21 (Guangzhou Metro) is a metro line, opened on 28 December 2018, with 20 stations.", "status": "published", "categories": [ "category-transit" ], "tags": [ "tag-metro" ], "sources": [ { "id": "cptond", "title": "CPTOND-2025 — Wang, Liang 等 (CC BY 4.0)", "url": "https://doi.org/10.6084/m9.figshare.29377427.v2", "locator": "Guangzhou/guangzhou_metro_routes.shp; DBF rows 28,33; status=1" }, { "id": "operator-review", "title": "Guangzhou Metro — Wikipedia", "url": "https://en.wikipedia.org/wiki/Guangzhou_Metro", "locator": "Operators / Operation and current lines table; operator identity review only, not station coverage. Retrieved 2026-10-24; CC BY-SA 4.0; original Chinese factual summary." }, { "id": "wikidata", "title": "Wikidata Q6553110", "url": "https://www.wikidata.org/wiki/Q6553110" }, { "id": "zhwiki", "title": "广州地铁21号线（维基百科）", "url": "https://zh.wikipedia.org/wiki/%E5%B9%BF%E5%B7%9E%E5%9C%B0%E9%93%8121%E5%8F%B7%E7%BA%BF", "locator": "信息框" } ], "createdAt": "2026-10-25", "updatedAt": "2026-10-25", "revision": 1, "body": "## Overview\n\nLine 21 (Guangzhou Metro) is a metro line, opened on 28 December 2018[^zhwiki], with 20 stations[^zhwiki].\n\n## Stations\n\n20 stations in line order[^wikidata]:\n\n- [[place_guangzhou_tianhegongyuan|Tianhe Park station]]\n- [[place_guangzhou_tangdong|Tangdong station]]\n- [[place_guangzhou_huangcun|Huangcun station]]\n- [[place_guangzhou_daguannanlu|Daguannanlu Station]]\n- [[place_guangzhou_tianhezhihuicheng|Tianhe Smart City station]]\n- [[place_guangzhou_shenzhoulu|Shenzhoulu station]]\n- [[place_guangzhou_kexuecheng|Science City station]]\n- [[place_guangzhou_suyuan|Suyuan station]]\n- [[place_guangzhou_shuixi|Shuixi station]]\n- [[place_guangzhou_zhangping|Changping station]]\n- [[place_guangzhou_jinkeng|Jinkeng Station]]\n- [[place_guangzhou_zhenlongxi|Zhenlongxi Station]]\n- [[place_guangzhou_zhenlong|Zhenlong station]]\n- [[place_guangzhou_zhongxin|Zhongxin Station]]\n- [[place_guangzhou_kengbei|Kengbei station]]\n- [[place_guangzhou_fenggang|Fenggang station]]\n- [[place_guangzhou_zhucun|Zhucun Station]]\n- [[place_guangzhou_shantian|Shantian Station]]\n- [[place_guangzhou_zhonggang|Zhonggang Station]]\n- [[place_guangzhou_zengchengguangchang|Zengcheng Square Station]]", "url": "/concepts/guangzhou-metro-line-21.html", "lang": "en", "availableLangs": [ "zh", "en" ], "conceptKind": "metro_line" }, "entities": null, "relations": [ { "id": "relation_metro_1fd9f977032016ab2142e61a", "fromId": "concept_guangzhou_metro_line_21", "relationType": "stops_at", "toId": "place_guangzhou_daguannanlu", "sourceRefs": [ { "entityId": 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