Real de Catorce, Sierra Madre Oriental mountains, San Luis Potosi state, Mexico, North America

arid climate beauty in nature blue sky cactus clear sky color image copy space day environment hill horizontal landscape mexico mountain nature nobody north america outdoors photography real de catorce remote san luis potosi state scenic view sierra madre oriental sunny travel travel destinations valley americas beauty central america cloudless color colour daytime mexican natural negative space outside peak plant scenics sky sunshine white space