Presidents Rumen Radev of Bulgaria and Alexandar Vucic of Serbia got acquainted with the construction of a gas pipeline, which is aimed at diversifying energy supplies, Azerbaijani Ambassador to Bulgaria Huseyn Huseynov said, according to Report.

“The 170 km pipeline is designed to deliver Azerbaijani gas through new systems, and it is expected to be put into operation by the end of the year,” the ambassador said.