Why investigating Sheffield Supertram mine shaft costs £1.5m

Submitted ⁨⁨26⁩ ⁨minutes⁩ ago⁩ by ⁨fne8w2ah@lemmy.world⁩ to ⁨unitedkingdom@feddit.uk⁩

https://www.bbc.com/news/articles/c6vg2dn99vlpo