Staff members disinfect people who enter coal-fired Sahiwal power plant in Pakistan

A medical worker collects a swab sample from a man for a nucleic acid test at the coal-fired Sahiwal power plant in Sahiwal, Pakistan, Jan. 23, 2021. As a major investment under the China-Pakistan Economic Corridor (CPEC), the 1,320-megawatt coal-fired Sahiwal power plant provides around six percent of the total electricity supply in the electricity-starved country. (Xinhua/Li Hao)