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Capybaras (Hydrochoerus hydrochaeris) are seen on the bank of the Pinheiros River in Sao Paulo, Brazil, on August 3, 2023. The Pinheiros River, which runs through the heart of Sao Paulo, Brazil's largest city, was until recently unsuitable for animal life. Today, after three years of work to reduce water pollution, the state of São Paulo says it has achieved its goals, but environmental NGOs say the pollution levels in the river and its tributaries are still too high. (Photo by Nelson Almeida/AFP Photo)
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