The quiz held in Ho Chi Minh City on Friday was themed “Vietnam in a prosperous and developed ASEAN”. It was part of activities to mark the 73rd anniversary of Vietnam’s diplomatic sector on August 28th. "Vietnam has always been a responsible ASEAN member, contributing to the bloc’s solidarity and unity, and lifting its position in the international arena. In order to promote Vietnam’s activities at multilateral forums, we need to pay the most attention to the ASEAN region.", said Deputy Foreign Minister Bui Thanh Son spoke at the event.