Said farewell to Helsinki this morning as we boarded the Gabriella to Tallinn. As we’d heard, there were a number of passengers whose luggage consisted solely of fold-up trolleys, as their mission was to catch the ferry, head to nearest liquor shop in Tallinn, stock up and then catch the next ferry home, as apparently the price difference for booze is significant enough between Finland and Estonia to make these regular trips worthwhile. For added amusement, the soundtrack to our journey was provided by sensitive car alarms, the sort that go off when a car shakes, as can happen to ferries crossing the Baltic Sea. Estonia! A small nation that…