Staff members of China Mobile test the signals of the 5G base station built at an altitude of 6,500 meters at the advance camp of Mount Qomolangma in southwest China's Tibet Autonomous Region on May 21, 2020. Today, 5,417 villages, or 99 percent of all villages in the region, have 4G network coverage, and 5,439 villages have fiber-optic network connections. Aided by broadband and 4G coverage, mobile Internet is transforming the way of life on the plateau. E-commerce is booming, generating new avenues of income for Tibetans. (Xinhua/Jigme Dorje)