Sofia has always cited Nabucco as one of its priorities, Bulgarian Prime Minister Boyko Borisov said at the opening of a conference on the energy sector in Southeast Europe.
Sofia a menţionat întotdeauna Nabucco drept una din priorităţile sale, a declarat premierul bulgar Boiko Borisov la inaugurarea unei conferinţe asupra sectorului energetic din Europa de Sud-est.