The Gulf of Finland. In the geopolitical melting pot of Eurasia

Only 90 kilometres from the centre of Helsinki from Tallinn, little than from Łódź to Warsaw. However, the way from Finland to Estonia crosses the Gulf of Finland, which in the narrowest place is only 50 kilometres. Therefore, it should not be amazing that in the heads of the authorities of both capitals the thought of building an underground railway tunnel like a 50-kilometre Eurotunel that erstwhile merged France and Britain...