Warning, /education/marble/examples/json/rfc7946-a3-polygon-with-hole.geojson is written in an unsupported language. File is not indexed.

 {
     "type": "Polygon",
     "coordinates": [
         [
             [100.0, 0.0],
             [101.0, 0.0],
             [101.0, 1.0],
             [100.0, 1.0],
             [100.0, 0.0]
         ],
         [
             [100.8, 0.8],
             [100.8, 0.2],
             [100.2, 0.2],
             [100.2, 0.8],
             [100.8, 0.8]
         ]
     ]
 }