24 hours of ship traffic on the Baltic Sea
24 hours of marine traffic on the Gulf of Finland. Highlights multiple interesting facts e.g. how important trade route the Baltic Sea is, how many ferries there are in the Turku archipelago and how Finns really like visiting Estonia. Each dot represents one ship. Colors represent the countries of origin.
Data
Liikennevirasto open API & Natural Earth data
Tools
Python (you can find the script used here), PostGIS, QGIS with Time Manager plugin