3 ms·
Here is an insane video showing how difficult it can be to dig pumped storage tunnels: https://youtu.be/6AV2NcyX7pk https://youtu.be/6AV2NcyX7pk
by sschueller 2y ago
Here is an insane video showing how difficult it can be to dig pumped storage tunnels: https://youtu.be/6AV2NcyX7pk https://youtu.be/6AV2NcyX7pk