On February 26, 2021, Deputy Prime Minister of the Republic of Serbia and Minister of Mining and Energy Ph.D. professor Ms. Zorana Mihajlović officialy visited the Republic of Bulgaria. The progress in projects of common interest were disscused during the meeting with the Prime Minister of the Republic of Bulgaria, Mr. Boyko Borissov, and the Minister of Energy, Ms. Temenushka Petkova. Minister Zorana Mihajlović, together with Minister Temenushka Petkova, visited the infrastructure facilities, located at the future gas metering station in Kalotina, near the border crossing with Serbia.