[schema.org] data.europa.eu use of geoshape in spatialcoverage

[pvgenuchten]

consider the use of geoshape in schema-org

"spatialCoverage": [
    {
      "@type": "Place",
      "geo": {
        "@type": "GeoShape",
        "polygon": "9.53357,49.01875 17.16639,49.01875 17.16639,46.40749 9.53357,46.40749 9.53357,49.01875"
      }
    }

source: https://validator.schema.org/#url=https%3A%2F%2Fdata.europa.eu%2Fdata%2Fdatasets%2F9eb263f1-2fa8-4647-9ff9-295b332e93cc%3Fdl%3Dttl%26locale%3Den