text: var addressPoints = [
    [
      "Hangzhou, Zhejiang, China",
      30.308357881340925, 
      120.08673285035749
    ],
    [
      "Rome, Italy",
      41.85198292965226, 
      12.62888684564656
    ],
    [
      "Thessaloniki, Greece",
      40.63161009704903, 
      22.944825248913506
    ],
    [
      "Paris, France",
      48.85272455162296, 
      2.338003489191899
    ],
    [
      "Cork, Ireland",
      51.893051875201785, 
      -8.49400713571552
    ],
  ];