Russian Energy Minister Alexander Novak (L) speaks at a press conference during the 23rd World Energy Congress in Istanbul, Turkey, on Oct. 12, 2016. The Organization of the Petroleum Exporting Countries (OPEC), in efforts to finalize an output-cut deal, decided on Wednesday to host a high-level technical experts meeting in Vienna on Oct. 28-29 with Russia and other non-cartel members.(Xinhua/He Canling)
