Grime’s Graves is a large Neolithic flint mining complex in Norfolk, England, that was worked between c. 2600 and c. 2300 BCE, although production may have continued through the Bronze and Iron Ages and later, owing to the low cost of flint compared with metals [1280×1859]

Grime’s Graves is a large Neolithic flint mining complex in Norfolk, England, that was worked between c. 2600 and c. 2300 BCE, although production may have continued through the Bronze and Iron Ages and later, owing to the low cost of flint compared with metals [1280×1859]

by Fuckoff555