{
    "icon": "roentgen-cannon",
    "fields": [
        "name",
        "start_date",
        "direction"
    ],
    "moreFields": [
        "description",
        "wikipedia",
        "wikidata",
        "ref"
    ],
    "geometry": [
        "point"
    ],
    "tags": {
        "historic": "cannon"
    },
    "name": "Cannon"
}