https://www.space.com/the-universe/moon/south-korea-is-converting-an-abandoned-coal-mine-into-a-moon-exploration-testing-ground
South Korea is converting an abandoned coal mine into a moon exploration testing ground | Space
Apr 8, 2025 - South Korea conducted a test inside the former Hamtae mine in late March, deploying prototype moon rovers equipped with tech that could be used in space mining.
south koreaabandoned coalmine
https://interestingengineering.com/energy/coal-mines-to-supply-geothermal-energy
Canadian village taps abandoned coal mines for clean geothermal energy
canadian villagecoal mines