This 2,000-year-old green serpentine stone mask was discovered at the foot of the Pyramid of the Sun in Teotihuacan, Mexico in 2011.

   
This 2,000-year-old green serpentine stone mask was discovered at the foot of the Pyramid of the Sun in Teotihuacan, Mexico in 2011. - Archeology, Images, Interesting, Mask, Mexico, Excavations, Archaeological excavations, Repeat

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