Black and white lantern slide of the Moon Pyramid at Teotihuacan, taken from the base.

Color lantern slide of Robert Merrill and a guide standing in front of Quetzalcoatl sculptures on the pyramid in Teotihuacan, Mexico.

Black and white lantern slide of Quetzalcoatl sculptures at Teotihuacan.

Black and white lantern slide of the Sun and Moon Pyramids at Teotihuacan, Mexico.

Black and white lantern slide of the Sun Pyramid at Teotihuacan.

Black and white lantern slide close up view of the sloping side of the Sun Pyramid at Teotihuacan, Mexico.