Detail of an acid water pond in the São Domingos Mine, a deserted open-pit mine in Mertola, Alentejo, Portugal.

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Detail of the São Domingos Mine, a deserted open-pit mine in Mertola, Alentejo, Portugal. This site is one of the volcanogenic massive sulfide ore deposits in the Iberian Pyrite Belt, which extends from the southern Portugal into Spain

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Size: 4287px × 2848px
Photo credit: © Manuel Ribeiro / Alamy / Afripics
License: Royalty Free
Model Released: No

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