coordinates = ({
cardiff: [51.4837, -3.185738],
copenhagen: [55.6768155, 12.5706028],
paris: [48.858258, 2.294531],
poznan: [52.4063664, 16.9297639],
tampere: [61.4986082, 23.755491],
newYork: [40.7804843, -73.9791474],
amsterdam: [52.3676, 4.9041]
})