flowmap-origin-destination · python · pygal · anyplot.ai363638384040424244444646484850505252545456565858-12-12-8-8-4-400448812121616202024242828flowmap-origin-destination · python · pygal · anyplot.aiLongitudeLatitudeRotterdam4.48: 51.92845.723076923077355.9816053511705Hamburg9.99: 53.551115.3951923076922267.2583612040137Antwerp4.4: 51.22841.8076923076924394.08361204013386London-0.13: 51.51620.0990384615384378.2984949832777Copenhagen12.57: 55.681241.666346153846151.319397993311Gdansk18.65: 54.351539.235576923077223.71321070234103Le Havre0.11: 49.49631.8451923076923488.2499999999999Barcelona2.17: 41.39732.6663461538461929.1446488294314Valencia-0.38: 39.47607.86346153846151033.6530100334448Marseille5.37: 43.3889.2817307692308825.1806020066891Genoa8.93: 44.411063.5163461538461764.761705685619Lisbon-9.14: 38.72179.128846153846151074.4765886287626Piraeus23.65: 37.941783.94711538461571116.933110367893Dublin-6.26: 53.35320.08269230769235278.1446488294314CoastlinesLow (220–399 units)Medium (400–599 units)High (600–850 units)Port Cities