A vast Spanish coal mine pit was transformed into a large artificial lake. Engineers filled the enormous hole with approximately 547 billion litres of water. This process took over four years to complete, creating a new natural habitat. The lake now features a sandy beach and nature trails, earning eco-label certification. This successful rehabilitation offers a model for other former mining sites globally.
Read more at the source
Disclaimer: The content of this post is sourced from external sites and is for informational purposes only. All rights and credits belong to the original authors and publishers.