(250709) -- VIENNA, July 9, 2025(Xinhua) -- Mohsen Paknejad, president of the OPEC Conference for 2025, delivers a video address at the opening ceremony of the 9th OPEC International Seminar in Vienna, Austria, on July 9, 2025. The 9th OPEC International Seminar opened here on Wednesday, bringing together global energy leaders to discuss key issues including energy transitions, market stability, energy security, investment, technology, and innovation. (Xinhua/He Canling)