Smoke billows from the site of an explosion that reduced a parking lot filled with new cars to charred remains at a warehouse in northeastern China's Tianjin municipality on Aug. 13, 2015. Huge, fiery blasts at a warehouse for hazardous chemicals killed many people and turned nearby buildings into skeletal shells in the Chinese port of Tianjin, raising questions Thursday about whether the materials had been properly stored. Photo: AP Photo/Ng Han Guan  / AP
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