Visitors experience Virtual Reality (VR) devices at the Beijing International Radio, TV and Film Exhibition (BIRTV) 2017 in the China International Exhibition Center (CIEC) in Beijing, capital of China, Aug. 24, 2017. The BIRTV 2017 is held in Beijing from Aug. 23 to 26, attracting more than 500 exhibitors to show the latest technology and equipments. (Xinhua/Chen Xiaogen)