A robot plays the piano at the 2019 World 5G Convention in Beijing, capital of China, Nov. 21, 2019. Themed "5G changes the world, 5G creates the future," the 2019 World 5G Convention kicked off Thursday in Beijing. (Xinhua/Peng Ziyang)
World 5G Convention kicks off in Beijing
Source: Xinhua| 2019-11-21 21:58:50|Editor: huaxia