Les mines néolithiques de silex de Spiennes

The Neolithic flint mines of Spiennes are among the largest and earliest Neolithic flint mines which survive in north-western Europe, located close to the Walloon village of Spiennes, southeast of Mons, Belgium. Listed by UNESCO in 2000, the Spiennes archaeological site is one of the oldest and largest centres for the extraction of flint in Europe. Dotted with thousands of mine shafts, the site extends over 250 acres at a distance of four miles from the city of Mons.