SubjectsFascinating FactsFactsIP FactoidsPeople FactsUncategorized 33 men were trapped in a copper-gold mine for 69 days…and survived. By IP Factly - Jun 23, 2015 0 3 Share on Facebook Tweet on Twitter An old tunnel in the abandoned slate mine. Image credit: wwarby, cc2.0 On August 5, 2010, a mine in Copiapo, Chile collapsed. Surprisingly, all 33 men who were trapped inside survived, the last miner lifted to safety on October 13.