{
    "GJ0d-1": {
        "cities": [
            {"name": "Artemis",             "center": [215, 250], "population": 200000000, "kind": "capital"},
            {"name": "Tranquility Station", "center": [119, 282], "population":  90000000, "kind": "city"},
            {"name": "Selene",              "center": [93,  247], "population":  60000000, "kind": "city"}
        ],
        "pois": [
            {"id": "poi_mare_tranquillitatis",  "name": "Mare Tranquillitatis",  "center": [119, 282], "kind": "mare"},
            {"id": "poi_mare_imbrium",           "name": "Mare Imbrium",           "center": [93, 247],  "kind": "mare"},
            {"id": "poi_oceanus_procellarum",    "name": "Oceanus Procellarum",    "center": [107, 230], "kind": "mare"},
            {"id": "poi_mare_serenitatis",       "name": "Mare Serenitatis",       "center": [104, 277], "kind": "mare"},
            {"id": "poi_mare_crisium",           "name": "Mare Crisium",           "center": [108, 302], "kind": "mare"},
            {"id": "poi_mare_nubium",            "name": "Mare Nubium",            "center": [134, 248], "kind": "mare"},
            {"id": "poi_mare_fecunditatis",      "name": "Mare Fecunditatis",      "center": [124, 299], "kind": "mare"},
            {"id": "poi_south_pole_aitken",      "name": "South Pole-Aitken Basin","center": [213, 330], "kind": "basin"},
            {"id": "poi_tycho",                  "name": "Tycho",                  "center": [163, 249], "kind": "crater"},
            {"id": "poi_copernicus",             "name": "Copernicus",             "center": [118, 243], "kind": "crater"}
        ]
    }
}