old mechanical machinery inside a building in the abandoned mines of calferro in the mulina di stazzema archaeological mining park

abandoned adventure aged ancient antique archaeological architecture building calferro construction europe factory forest gears geological green heritage hiking historic history industrial industry inside iron italy lucca machinery mechanical mechanism metal mine mineral miners mines mining moss mountain mulina mysterious mystery nature old park retro rock ruin rust rustic stazzema steampunk stone structure travel tree trekking tuscany vintage wall water woods