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 copy space day desert guanajuato state historical landmark horizontal 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 world heritage site abandoning americas central america color colour daytime historical history landmark mexican negative space outside oven plant process sand sky sunshine white space