Watch all episodes on Discovery+ in Player: https://player.pl/discovery-plus?utm_... Subscribe to the Discovery Channel: https://www.youtube.com/user/MocOdkry... Officers of the National Revenue Administration, also known as the Customs and Tax Service, are constantly present at Polish borders, ensuring that illegal and dangerous goods do not enter Poland or other European Union countries. #discovery #nothingtoreport #discoveryplus S04E07