old extraction salt machine inside of salt mine

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Photo credit: © jordache / Alamy / Afripics
License: Royalty Free
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Keywords: adit, age, construction, drift, era, exploitation, extraction, gallery, historical, history, indoors, industry, level, machine, machinery, mechanism, obsolete, pit, romania, saline, salt, subteran, subterranean, technology, tool, traditional, transylvania, turda, underground, wall, wood, wooden