A citizen uses Virtual Reality (VR) goggles to control a drone's camera at G-Festival during the Global Mobile Internet Conference (GMIC) in Beijing, capital of China, April 29, 2017. The G-Festival of the GMIC started in Beijing on Saturday. Advanced technology including robot fighting, VR, drones and so on, were displayed here, attracting many citizens. (Xinhua/Ju Huanzong)