In association with Unicem, the French federation of quarries and building materials, over 100 quarries are opening their doors to visitors to showcase their quarrying and mineral activities. The Open Days will take place on 31 May and 1 June 2013. Around 53,000 visitors attended the 2009 Unicem Open Days.
February 1, 2013
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In association with 1850 Unicem, the French federation of quarries and building materials, over 100 quarries are opening their doors to visitors to showcase their quarrying and mineral activities. The Open Days will take place on 31 May and 1 June 2013. Around 53,000 visitors attended the 2009 Unicem Open Days.