Neolithic Flint Mines at Spiennes (Mons), Belgium (UNESCO)

http://whc.unesco.org/en/list/1006

concentration of ancient mines in Europe. They are also remarkable for the diversity of technological solutions used for extraction and for the fact that they are directly linked to a settlement of the same period.

Sender: dager, Sent on: 7 Oct, 2013, Received on: 01 Nov, 2013, Travel time: 24 days

Her blog; http://mypostcard-page.blogspot.be