[
  { "id": "wien",       "name": "Wien",           "countryId": "AT", "regionId": "central_europe", "type": "CAPITAL", "lat": 48.2082, "lon": 16.3738, "visibleFromLevel": 1, "didacticDifficulty": 1 },
  { "id": "muenchen",   "name": "München",        "countryId": "DE", "regionId": "central_europe", "type": "CAPITAL", "lat": 48.1351, "lon": 11.5820, "visibleFromLevel": 1, "didacticDifficulty": 1 },
  { "id": "hamburg",    "name": "Hamburg",        "countryId": "DE", "regionId": "central_europe", "type": "CITY",    "lat": 53.5511, "lon":  9.9937, "visibleFromLevel": 1, "didacticDifficulty": 1 },
  { "id": "hamburg_hafen","name": "Hamburg Hafen", "countryId": "DE", "regionId": "central_europe", "type": "PORT",    "lat": 53.5461, "lon":  9.9661, "visibleFromLevel": 2, "didacticDifficulty": 2 },
  { "id": "rotterdam",  "name": "Rotterdam",      "countryId": "NL", "regionId": "benelux",        "type": "CITY",    "lat": 51.9244, "lon":  4.4777, "visibleFromLevel": 2, "didacticDifficulty": 2 },
  { "id": "rotterdam_hafen","name":"Rotterdam Hafen","countryId":"NL","regionId":"benelux",        "type": "PORT",    "lat": 51.9519, "lon":  4.1378, "visibleFromLevel": 2, "didacticDifficulty": 2 },
  { "id": "paris",      "name": "Paris",          "countryId": "FR", "regionId": "western_europe", "type": "CAPITAL", "lat": 48.8566, "lon":  2.3522, "visibleFromLevel": 2, "didacticDifficulty": 1 },
  { "id": "berlin",     "name": "Berlin",         "countryId": "DE", "regionId": "central_europe", "type": "CAPITAL", "lat": 52.5200, "lon": 13.4050, "visibleFromLevel": 1, "didacticDifficulty": 1 },
  { "id": "mailand",    "name": "Mailand",        "countryId": "IT", "regionId": "southern_europe","type": "CITY",    "lat": 45.4642, "lon":  9.1900, "visibleFromLevel": 2, "didacticDifficulty": 2 },
  { "id": "salzburg",   "name": "Salzburg",       "countryId": "AT", "regionId": "central_europe", "type": "CITY",    "lat": 47.8095, "lon": 13.0550, "visibleFromLevel": 1, "didacticDifficulty": 1 },
  { "id": "warschau",   "name": "Warschau",       "countryId": "PL", "regionId": "central_europe", "type": "CAPITAL", "lat": 52.2297, "lon": 21.0122, "visibleFromLevel": 2, "didacticDifficulty": 2 },
  { "id": "madrid",     "name": "Madrid",         "countryId": "ES", "regionId": "iberia",         "type": "CAPITAL", "lat": 40.4168, "lon": -3.7038, "visibleFromLevel": 3, "didacticDifficulty": 3 },
  { "id": "kopenhagen", "name": "Kopenhagen",     "countryId": "DK", "regionId": "scandinavia",    "type": "CAPITAL", "lat": 55.6761, "lon": 12.5683, "visibleFromLevel": 2, "didacticDifficulty": 2 }
]