old rusty mechanical gears in the abandoned mines of calferro in the mulina di stazzema archaeological mining park, tuscany.

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