{
    "GJ0e": {
        "cities": [
            {"name": "Olympia",         "center": [107, 358], "population": 450000000, "kind": "capital"},
            {"name": "Hellas Station",  "center": [148, 329], "population": 350000000, "kind": "city"},
            {"name": "Elysium City",    "center": [103, 413], "population": 250000000, "kind": "city"},
            {"name": "Chryse Landing",  "center": [100, 392], "population": 150000000, "kind": "city"}
        ],
        "mountain_ranges": [
            {"name": "Olympus Mons",     "peak": [107, 358], "center": [107, 358]},
            {"name": "Tharsis Bulge",    "peak": [115, 365], "center": [118, 362]},
            {"name": "Elysium Mons",     "peak": [103, 413], "center": [103, 413]},
            {"name": "Ascraeus Mons",    "peak": [108, 367], "center": [108, 367]},
            {"name": "Arsia Mons",       "peak": [118, 363], "center": [118, 363]}
        ],
        "oceans": [
            {"name": "Hellas Basin",    "center": [148, 329]},
            {"name": "Utopia Planitia", "center": [80, 385]},
            {"name": "Isidis Planitia", "center": [112, 343]}
        ],
        "pois": [
            {"id": "poi_valles_marineris", "name": "Valles Marineris", "center": [118, 380], "kind": "canyon"},
            {"id": "poi_north_polar_cap",  "name": "North Polar Cap",  "center": [10, 256],  "kind": "ice_cap"},
            {"id": "poi_south_polar_cap",  "name": "South Polar Cap",  "center": [245, 256], "kind": "ice_cap"},
            {"id": "poi_chryse_planitia",  "name": "Chryse Planitia",  "center": [100, 392], "kind": "plain"},
            {"id": "poi_acidalia_planitia","name": "Acidalia Planitia","center": [80, 395],  "kind": "plain"}
        ]
    }
}