Luiz Claudio Marigo / Turtle Rock, created by erosion in Sete Cidades National Park, municipality of Piracuruca, Piaua State, Northeastern Brazil. Darkening of the rock is due to the iron oxide. March 2009
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Juan Manuel Borrero / View through hills to Sete Cidades crater lake. Sao Miguel Island, Azores, Portugal. 2019.
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Juan Manuel Borrero / Japanese cedar (Cryptomeria japonica) forest in Devasa mountain range. Sete Cidades, Sao Miguel Island, Azores, Portugal.
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Luiz Claudio Marigo / Rupestrian inscriptions made by pre-Colombian men, dated 10,000 years ago, in Sete Cidades National Park, municipality of Piracuruca, Piaua State, Northeastern Brazil. March 2009
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Luiz Claudio Marigo / Rock formation created by erosion in Sete Cidades National Park, municipality of Piracuruca, Piaua State, Northeastern Brazil. March 2009
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Luiz Claudio Marigo / Rupestrian inscriptions made by pre-Colombian men, dated 10,000 years ago, in Sete Cidades National Park, municipality of Piracuruca, Piaua State, Northeastern Brazil. March 2009
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Luiz Claudio Marigo / Rock formation created by erosion in Sete Cidades National Park, municipality of Piracuruca, Piaua State, Northeastern Brazil. March 2009
