Nelle miniere dove nascono gli smartphone - Nemo - Nessuno Escluso 25/05/2017

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Special report : Inside the Congo cobalt mines that exploit children

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DR Congo's faltering fight against illegal cobalt mines | AFP

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How mobile phones cause conflict in the DRC

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Kenya Discovers Large Deposits of Precious Coltan Mineral Used in Modern Tech

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Colton Dixon - \

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Blood Cobalt: The Congo's Dangerous and Deadly Green Energy Mines | Foreign Correspondent

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Did You Know? - Coltan

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