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BISBEE ARIZONA - 12 JUN 2019: Train car Hard rock mining tunnel deep underground mountain. Abandoned copper gold and silver mine. Educational display of dangers and technique.

视  频 ID：  1032707432
版      权：  Rekindle Photo and Video
视频长度：  0:23
横纵比率：  16:9
所属分类：  教育 工业 
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