This photo provided by the Gendarmerie Nationale shows rescue workers investigating on the crash site near Seyne-les-Alpes, French Alps, Wednesday, March 25, 2015. French investigators cracked open the badly damaged black box of the Germanwings plane on Wednesday and sealed off the rugged Alpine crash site where 150 people died when their plane on a flight from Barcelona, Spain to Duesseldorf, Germany, slammed into a mountain. (AP Photo/Fabrice Balsamo, Gendarmerie Nationale)
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