“Dickon Whitewood said the tools of the era would have made digging the tunnels a mammoth task.”
Pretty effortless, then, Dickon. I'm still putting #GrimesGraves on my todo list.
BBC News - New entrance to Thetford underground labyrinth of tunnels
https://www.bbc.co.uk/news/uk-england-norfolk-68897747
And on the nice to see front:
https://www.theguardian.com/uk-news/2024/apr/25/grimes-graves-prehistoric-mines-in-norfolk-to-reopen-to-visitors?CMP=share_btn_url
We were lucky enough to accidentally find Grimes Graves back a few years, and the existing entry was a barrier (but they are right, the interpretation on the surface is excellent - it's well worth a visit even if you don't go underground)
Kevin Wilbraham
XM424987 (Yrba Eboovaf) 𓃬𓅳
Paul Wermer, CC BY-NC-SA 4.0