I would love to see the remains of these used for underground food farms, like described here: https://www.bbc.com/news/uk-wales-46221656 https://www.bbc.com/ne

I would love to see the remains of these used for underground food farms, like described here: https://www.bbc.com/news/uk-wales-46221656 https://www.bbc.com/news/uk-wales-46221656 I'm not sure how well that would work alongside the existing salt mining operations, though.