Supplement: “The Tarnovo Constitution 1879. Bulgaria returns to Europe” Stoyan Raichevsky Exclusive Guest H.E. Dr. Zdravko Popov Ambassador extraordinary and plenipotentiary of the Republic of Bulgaria to the Czech Republic H.E. Mr. Martin Klepetko Ambassador extraordinary and plenipotentiary of the Czech Republic to the Republic of Bulgaria Europe Without Barriers 130 Years Bulgarian Constitution