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Rio Tinto

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The red river, Rio Tinto

Do not touch the water, the river has a high level of acidity!

Rio Tinto is a very bizarre river tinted with hues of red, located in the Andalucia region of Spain. The area along the river has been mined for copper, silver and gold for ages. Due to the mining activity, the river has become very acidic. The dissolution of the iron in the water is the cause of the reddish color of Rio Tinto.

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