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. The mines were active during the mid and late Neolithic between 4,300 and 2,200 BC. Declared to be "remarkable for the diversity of technological solutions used for extraction" the site and its surroundings were inducted into the UNESCO's list of World Heritage Sites in 2000. Discovered in 1843, the first excavations were undertaken by the mining engineer Alphonse Briart and two others during railway construction in 1867, with results presented to the International Prehistoric Congress held in Brussels in 1872. Intermittent excavations have been carried out up to the present day. More information...
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