demo.geojson

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "id": "way/23416675",
      "geometry": {
        "type": "MultiPoint",
        "coordinates": [
          [
            121.52067679023298,
            25.037219245342563
          ],
          [
            121.52093521012206,
            25.03709174928892
          ],
          [
            121.5210401,
            25.03704
          ]
        ]
      }
    }
  ]
}