Old kilns for processing mercury, Mineral de Pozos (Pozos), a UNESCO World Heritage Site, Guanajuato State, Mexico, North America

abandoned architecture blue sky cactus color image day desert guanajuato state historical landmark kiln kilns mercury mexico mineral de pozos mining site nobody north america old outdoors photography pozos processing ruins stone sunny travel travel destinations unesco unesco world heritage site vertical world heritage site abandoning americas central america color colour daytime historical history landmark mexican outside oven plant process sand sky sunshine