The case in point is mountainous Karabakh or Artsakh which, on the eve of the Berlin Wall's fall into history and long before Kosovo became current, heralded a new era of liberty, legality and democracy for the republics and other administrative entities of the Soviet Union, Raffi K. Hovannisian said.

Ruse comes as the fourth largest city of Bulgaria to engage upon such a move after Varna, Plovdiv and Burgas.