text: tw.data.zones = {
    "Friedrichshagen": {
      "magnesium": "11.9",
      "sulfat": "162",
      "natrium": "39",
      "chlorid": "61",
      "calcium": "107",
      "kalium": "5.1",
      "nitrat": "2.9",
      "hardness": "17.7"
    },
    "Kaulsdorf": {
      "magnesium": "12.4",
      "sulfat": "107",
      "natrium": "22",
      "chlorid": "46",
      "calcium": "115",
      "kalium": "5.3",
      "nitrat": "1.4",
      "hardness": "18.9"
    },
    "Tiefwerder": {
      "magnesium": "10.3",
      "sulfat": "144",
      "natrium": "58",
      "chlorid": "90",
      "calcium": "125",
      "kalium": "4.8",
      "nitrat": "3.6",
      "hardness": "19.9"
    },
    "Wuhlheide": {
      "magnesium": "15.2",
      "sulfat": "190",
      "natrium": "33",
      "chlorid": "52",
      "calcium": "141",
      "kalium": "7.9",
      "nitrat": "4.4",
      "hardness": "23.2"
    },
    "Spandau": {
      "magnesium": "7.8",
      "sulfat": "72",
      "natrium": "25",
      "chlorid": "38",
      "calcium": "94",
      "kalium": "3.4",
      "nitrat": "1.1",
      "hardness": "14.9"
    },
    "Tegel": {
      "magnesium": "9.7",
      "sulfat": "116",
      "natrium": "39",
      "chlorid": "54",
      "calcium": "101",
      "kalium": "7.6",
      "nitrat": "4.9",
      "hardness": "16.3"
    },
    "Beelitzhof": {
      "magnesium": "8.7",
      "sulfat": "99",
      "natrium": "42",
      "chlorid": "58",
      "calcium": "98",
      "kalium": "3.3",
      "nitrat": "3.3",
      "hardness": "15.6"
    },
    "Kladow": {
      "magnesium": "8.7",
      "sulfat": "120",
      "natrium": "31",
      "chlorid": "44",
      "calcium": "106",
      "kalium": "2.9",
      "nitrat": "2.7",
      "hardness": "16.7"
    },
    "Stolpe": {
      "magnesium": "9.9",
      "sulfat": "71",
      "natrium": "28",
      "chlorid": "44",
      "calcium": "93",
      "kalium": "3.7",
      "nitrat": "3.4",
      "hardness": "15.2"
    }
  };
  tw.data.averageValues = { "natrium": 8.8, "kalium": 1.6, "calcium": 77.7, "magnesium": 17.9, "chlorid": 18.2, "nitrat": 14.9, "sulfat": 51.5, "hardness": 14.9 };
  