An exhibit is pictured during a media preview of a themed exhibition commemorating the 90th anniversary of the victory of the Long March at the Military Museum of the Chinese People's Revolution in Beijing, capital of China, Sept. 21, 2026. The exhibition opened here on Tuesday, taking up approximately 3,300 square meters on the western side of the museum's third floor, with a display route stretching more than 760 meters. (Xinhua/Yin Gang)