A broad staircase ascends a four-tiered flat temple along the Avenue of the Dead in the ancient Meso-American city of Teotihuacan, outside Mexico City, Mexico, beneath a pale blue sky, daubed with clo
A broad staircase ascends a four-tiered flat temple along the Avenue of the Dead in the ancient Meso-American city of Teotihuacan, outside Mexico City, Mexico, beneath a pale blue sky, daubed with clouds.