Measures taken to secure power supply in China's Heihe

Members of a power maintenance team inspect the power equipment outside a mobile laboratory for conducting COVID-19 tests in Aihui District of Heihe, northeast China's Heilongjiang Province, Nov. 10, 2021. The State Grid Heihe power supply company temporarily set up a comprehensive team composed of 12 employees to maintain the power supply of important facilities. (Xinhua/Wang Song)