A journalist tests a 3D equipment during the press conference of fourth session of China's 12th National People's Congress (NPC) at the Great Hall of the People in Beijing, capital of China, March 4, 2016. Journalists started to use "virtual reality" (VR) and 3D technologies to cover this year's "two sessions", the annual gatherings of the national legislative and political advisory bodies. (Xinhua/Chen Jianli)