Foreign relations of Estonia originates in the Nordic countries (principally Finland and Sweden), to which Estonia sends 42% of its exports (as compared to 6.5% going to Russia, 8.8% to Latvia, and 4.7% to Lithuania). On the other hand, the Estonian political system, its flat rate of income tax, and its non-welfare-state model distinguish it from the other Nordic states, and indeed from many other European countries. Estonia is a party to 181 international organizations, including the BIS, CBSS, CE, EAPC, EBRD, ECE, EU (member since 1 May 2004), FAO, IAEA, IBRD, ICAO, ICRM, IFC, IFRCS, IHO, ILO, IMF, International Maritime Organization, Interpol, IOC,
Finland–Norway border done. In 1852, the border Norway–Finland/Russia was closed, causing trouble for the Sami, who needed the Finnish forests for reindeer winter grazing. The Finland–Norway border is open as both countries are part of the Schengen Area. It is legal to cross the border anywhere if no customs declaration or passport check is needed. There is an wide clear-cut zone along the land border. Almost half of the border follows the rivers Anarjohka and Tana. There are 57 original cairns north of Treriksröset from until 1766, numbered 293-342 west of Anarjohka river and 343-349 east of Tana river. Later further cairns