(250821) -- TIANJIN, Aug. 21, 2025 (Xinhua) -- This photo taken on Aug. 21, 2025 shows the unveiling ceremony for the establishment of Shanghai Cooperation Organization (SCO) National Ophthalmology Alliance in Tianjin, north China. The "Meeting at SCO" - 2025 Ophthalmology Cooperation and People-to-People Connectivity Seminar and Unveiling Ceremony for the Establishment of the SCO National Ophthalmology Alliance was held in Tianjin on Thursday. (Xinhua/Li Ran)