https://www.europesays.com/3276731/ A 300-meter-deep coal mine in Spain is now a giant lake holding 547 billion liters, and the transformation took 4 years #CoalMine #EcologicalRestoration #LakeAsPontes #NorthernSpain #spain #tourism
northernspain
A 300-meter-deep coal mine in Spain is now a giant lake holding 547 billion liters, and the transformation took 4 years https://www.byteseu.com/2404478/ #CoalMine #EcologicalRestoration #LakeAsPontes #NorthernSpain #Spain #tourism
