(240329) -- CHENGDU, March 29, 2024 (Xinhua) -- Participants walk past a signboard of the 11th China Internet Audio and Video Convention in Chengdu, southwest China's Sichuan Province, March 28, 2024. The 11th China Internet Audio and Video Convention, demonstrating a series of cutting-edge technologies, opened on Thursday in Chengdu, capital of southwest China's Sichuan Province. Focusing on innovation and industrial upgrades, the three-day event has attracted participating enterprises to display their technologies in 5G+8K, 3D, cloud gaming and other sectors. (Xinhua/Tang Wenhao)