A 300-meter-deep coal mine in Spain is now a giant lake holding 547 billion liters, and the transformation took 4 years

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• Hindustan TimesLean L·1h ago

  A 300-meter-deep coal mine in Spain is now a giant lake holding 547 billion liters, and the transformation took 4 years

  A Spanish coal mine that once swallowed trucks is now an 865-hectare lake with beaches, kayakers, and deer. The transformation took four years.

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