Rescue teams in Mexico worked Thursday to reach those still trapped among the dozens of buildings that fell during a massive earthquake that has killed more than 230 people.
Mexico City Rescuers Search for Quake Survivors

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Rescue worker (rear, dressed in yellow) holds up his arm to request silence as they search for earthquake survivors in Mexico City, Mexico, Sept 21, 2017. (Photo: C. Mendoza / VOA)

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View of scene where rescuers are searching for survivors after Tuesday's massive 7.1 earthquake in Mexico City, Mexico, Sept. 21, 2017. (Photo: C. Mendoza / VOA )

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The rescue effort continues for survivors of Tuesday's massive 7.1 earthquake in Mexico city, Mexico, Sept. 21, 2017. (Photo: C. Mendoza / VOA )

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Police at the scene of a building where recovery efforts are ongoing after a massive 7.1 earthquake hit Mexico City, Mexico, Sept 21, 2017. (Photo. C. Mendoza / VOA)