Photo taken on Nov 20, 2019 shows the venue for the 2019 World 5G Convention during a press preview in Beijing, capital of China. The 2019 World 5G Convention will open here on Nov 21. [Photo/Xinhua]
Exhibitors display 5G-powered technologies during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov 20, 2019. The 2019 World 5G Convention will open here on Nov 21. [Photo/Xinhua]
Photo taken on Nov 20, 2019 shows Huawei's exhibition booth during a press preview for the 2019 World 5G Convention in Beijing, capital of China. The 2019 World 5G Convention will open here on Nov 21. [Photo/Xinhua]
A visitor joins an AR (augmented reality) concert during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov 20, 2019. The 2019 World 5G Convention will open here on Nov 21. [Photo/Xinhua]
An exhibitor shows a security robot during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov 20, 2019. The 2019 World 5G Convention will open here on Nov 21. [Photo/Xinhua]
Two robotic arms play the piano during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov 20, 2019. The 2019 World 5G Convention will open here on Nov 21. [Photo/Xinhua]
