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Pictures of the Year: A picture and its story

Rescue workers and Mexican soldiers take part in a rescue operation at a collapsed building after an earthquake at the Obrera neighbourhood in Mexico City, Mexico, September 20, 2017. REUTERS/Carlos Jasso/File photo

8.7-magnitude earthquake off Sumatra

An 8.7-magnitude earthquake strikes Indonesia 434 km southwest of Banda Aceh, Sumatra, Indonesia.