Neolithic flint tools mined at Grimes Graves, near Thetford in Norfolk. Now part of the collections at the British Museum. 📸 My own. #FlintFriday #BritishMuseum #GrimesGraves

Some of the shafts and quarries of the Neolithic flint mines at Grime’s Graves, near Thetford in Norfolk. 📸 My own. #FlintFriday #GrimesGraves #Prehistory #Norfolk

One of the prehistoric galleries at Grime’s Graves - a Neolithic flint mine, near Thetford in Norfolk. Under the care of English Heritage, visitors can descend nine metres into one of the prehistoric mine shafts! 📸 My own. #FlintFriday #GrimesGraves #Norfolk

One of the prehistoric galleries at Grime’s Graves - a Neolithic flint mine, near Thetford in Norfolk. Under the care of English Heritage, visitors can descend nine metres into one of the prehistoric mine shafts! 📸 My own. #FlintFriday #GrimesGraves #Prehistory #Norfolk

Sir Findsalot enjoyed a visit to #GrimesGraves, a hugely important neolithic flint mine, set in the stunning Breckland landscape.

@EnglishHeritage

Is this the best book dedication I've ever seen? Quite possibly...

#archaeology #GrimesGraves #flintknapping

One of only 10 known #Neolithic flint mines in UK, #GrimesGraves in #Norfolk open to public first time.

http://www.bbc.com/news/uk-england-norfolk-39235113 via @BBC