Wikipedia:Map data/Energy islands of Denmark/North Sea preliminary studies area

{ "type": "FeatureCollection", "features": [ {     "type": "Feature", "properties": {"fill": "#606060","fill-opacity": 0.5,"stroke-width": 1}, "geometry": { "type": "Polygon", "coordinates": [ [           [              6.3449333,              56.1187000            ],            [              5.9586333,              56.5304167            ],            [              6.4308667,              56.8490833            ],            [              6.9806333,              56.7827667            ],            [              6.3449333,              56.1187000            ]          ]        ]      }    }  ] }