World 5G Convention kicks off in Beijing

A staff member of Liaoning Provincial Tax Service introduces a 5G-supported smart tax system during 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/Li Xin)