Members of the State Grid check electrical installations at a temporary settlement in quake-hit Xiahe County, Gannan Tibetan Autonomous Prefecture of northwest China's Gansu Province, Oct. 28, 2019. A total of 21 people were injured after a 5.7-magnitude earthquake hit Xiahe County, Gannan Tibetan Autonomous Prefecture of northwest China's Gansu Province at 1:56 a.m. Monday, local authorities said. A total of 2,097 houses were damaged to varying degrees in the county. Traffic, water and power supply, heating, communications and other infrastructure in the quake-hit areas are operating normally, according to local authorities. (Xinhua)