Φωτογραφία 1: 2nd European Conference of mining areas
Φωτογραφία 2: 2nd European Conference of mining areas
Φωτογραφία 3: 2nd European Conference of mining areas
Φωτογραφία 4: 2nd European Conference of mining areas
Φωτογραφία 5: 2nd European Conference of mining areas
Φωτογραφία 6: 2nd European Conference of mining areas