{
  "contentStorage": "postgres",
  "title": "Rolla · Relations",
  "description": "Rolla is a city in Missouri, United States.",
  "url": "/en/places/mo-rolla/relation.html",
  "entity": {
    "id": "place_us_mo_rolla",
    "type": "place",
    "title": "Rolla",
    "slug": "mo-rolla",
    "summary": "Rolla is a city in Missouri, United States.",
    "status": "published",
    "categories": [
      "category-geography"
    ],
    "tags": [],
    "sources": [
      {
        "id": "geonames",
        "title": "GeoNames US dataset (US.txt / admin2Codes.txt)",
        "url": "https://download.geonames.org/export/dump/US.zip"
      }
    ],
    "createdAt": "2026-10-29T11:53:00+08:00",
    "updatedAt": "2026-10-29T11:53:00+08:00",
    "updatedBy": "user:admin",
    "revision": 2,
    "body": "## Overview\n\nRolla is a city in [[place_us_mo|Missouri]], United States, with a population of about 20,019[^geonames].\n\n## Geography\n\n- Coordinates: 37.9514, -91.7713",
    "url": "/places/mo-rolla.html",
    "lang": "en",
    "availableLangs": [
      "zh",
      "en"
    ],
    "placeKind": "city",
    "coordinates": {
      "latitude": 37.95143,
      "longitude": -91.77127
    },
    "adminArea": "United States · Missouri · Rolla"
  },
  "entities": null,
  "relations": [
    {
      "id": "rel_us_city_4406282",
      "fromId": "place_us_mo_rolla",
      "relationType": "located_in",
      "toId": "place_us_mo_phelps_county",
      "sourceRefs": [
        {
          "entityId": "place_us_mo_rolla",
          "sourceId": "geonames"
        }
      ],
      "label": "Located in",
      "targetId": "place_us_mo_phelps_county",
      "targetTitle": "Phelps County",
      "targetUrl": "/en/places/mo-phelps-county.html",
      "incoming": false
    }
  ],
  "relationGroups": [
    {
      "type": "same_area",
      "label": "同区域",
      "hubId": "place_us_mo_phelps_county",
      "hubTitle": "Phelps County",
      "hubUrl": "/en/places/mo-phelps-county.html",
      "items": [
        {
          "id": "rel_us_city_4384289",
          "fromId": "place_us_mo_doolittle",
          "relationType": "located_in",
          "toId": "place_us_mo_phelps_county",
          "sourceRefs": [
            {
              "entityId": "place_us_mo_doolittle",
              "sourceId": "geonames"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_mo_doolittle",
          "targetTitle": "Doolittle",
          "targetUrl": "/en/places/mo-doolittle.html",
          "incoming": true
        },
        {
          "id": "rel_us_city_4385215",
          "fromId": "place_us_mo_edgar_springs",
          "relationType": "located_in",
          "toId": "place_us_mo_phelps_county",
          "sourceRefs": [
            {
              "entityId": "place_us_mo_edgar_springs",
              "sourceId": "geonames"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_mo_edgar_springs",
          "targetTitle": "Edgar Springs",
          "targetUrl": "/en/places/mo-edgar-springs.html",
          "incoming": true
        },
        {
          "id": "rel_us_city_4400528",
          "fromId": "place_us_mo_newburg",
          "relationType": "located_in",
          "toId": "place_us_mo_phelps_county",
          "sourceRefs": [
            {
              "entityId": "place_us_mo_newburg",
              "sourceId": "geonames"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_mo_newburg",
          "targetTitle": "Newburg",
          "targetUrl": "/en/places/mo-newburg.html",
          "incoming": true
        },
        {
          "id": "rel_us_city_4406909",
          "fromId": "place_us_mo_saint_james",
          "relationType": "located_in",
          "toId": "place_us_mo_phelps_county",
          "sourceRefs": [
            {
              "entityId": "place_us_mo_saint_james",
              "sourceId": "geonames"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_mo_saint_james",
          "targetTitle": "Saint James",
          "targetUrl": "/en/places/mo-saint-james.html",
          "incoming": true
        },
        {
          "id": "rel_us_city_4411089",
          "fromId": "place_us_mo_table_rock",
          "relationType": "located_in",
          "toId": "place_us_mo_phelps_county",
          "sourceRefs": [
            {
              "entityId": "place_us_mo_table_rock",
              "sourceId": "geonames"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_mo_table_rock",
          "targetTitle": "Table Rock",
          "targetUrl": "/en/places/mo-table-rock.html",
          "incoming": true
        }
      ]
    },
    {
      "type": "located_in",
      "label": "Located in",
      "items": [
        {
          "id": "rel_us_city_4406282",
          "fromId": "place_us_mo_rolla",
          "relationType": "located_in",
          "toId": "place_us_mo_phelps_county",
          "sourceRefs": [
            {
              "entityId": "place_us_mo_rolla",
              "sourceId": "geonames"
            }
          ],
          "label": "Located in",
          "targetId": "place_us_mo_phelps_county",
          "targetTitle": "Phelps County",
          "targetUrl": "/en/places/mo-phelps-county.html",
          "incoming": false
        }
      ]
    }
  ],
  "lang": "en",
  "availableLangs": [
    "zh",
    "en"
  ],
  "infoFields": [
    {
      "key": "place_kind",
      "label": "Place kind",
      "value": "City"
    },
    {
      "key": "admin_area",
      "label": "Admin area",
      "value": "United States · Missouri · Rolla"
    },
    {
      "key": "coordinates",
      "label": "Coordinates",
      "value": "37.95143, -91.77127"
    }
  ],
  "pagination": {
    "page": 1,
    "pageSize": 50,
    "total": 1,
    "pageCount": 1
  },
  "relationsTotal": 1
}