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🇦🇷 Clarin (ES)
World

With 220 meters of depth, this gigantic hole left by an iron mine has become a turquoise lake and could turn into a clean energy battery in Canada

The former Marmora mine in Ontario, Canada, has filled with water to create a 220-meter deep turquoise lake, sparking debates about its potential use as a clean energy project versus its value as a dangerous tourist destination.

Mar 3 • 08:13 UTC

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