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Armed police set up tents for local residents in Gannan Tibetan Autonomous Prefecture of northwest China's Gansu Province, Oct. 28, 2019. No casualties have been reported 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. (Photo by Losang Zhaxi/Xinhua)