{
  "contentStorage": "postgres",
  "title": "Line 21 (Guangzhou Metro) · Versions",
  "description": "Line 21 (Guangzhou Metro) is a metro line, opened on 28 December 2018, with 20 stations.",
  "url": "/en/concepts/guangzhou-metro-line-21/versions.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": 3,
    "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,
  "versions": [
    {
      "revision": 3,
      "updatedAt": "2026-10-28",
      "message": "当前版本",
      "hasSnapshot": true,
      "url": "/en/concepts/guangzhou-metro-line-21/at/3.html"
    }
  ],
  "lang": "en",
  "availableLangs": [
    "zh",
    "en"
  ],
  "infoFields": [
    {
      "key": "concept_kind",
      "label": "Concept kind",
      "value": "Metro line"
    },
    {
      "key": "aliases",
      "label": "Aliases",
      "value": "广州地铁21号线"
    },
    {
      "key": "line_opened",
      "label": "Opened",
      "value": "28 December 2018"
    },
    {
      "key": "line_last_extension",
      "label": "Last extension",
      "value": "20 December 2019"
    },
    {
      "key": "line_stations",
      "label": "Stations",
      "value": "20"
    },
    {
      "key": "line_termini",
      "label": "Termini",
      "value": "Tianhe Park station – Zengcheng Square Station"
    },
    {
      "key": "line_status",
      "label": "Status",
      "value": "In operation"
    }
  ],
  "pagination": {
    "page": 1,
    "pageSize": 50,
    "total": 1,
    "pageCount": 1
  }
}