The green mask was found at the The Pyramid of the Sun, in southern Mexico, is part of a famous archaeological site - Teotihuacan, reports The Sun. Originally discovered in 2011, some have likened ...
(Getty Images)| In Mexico's ancient city of Teotihuacán – a UNESCO World Heritage Site that once boasted a population of more than 125,000 people – visitors will find the Pyramid of the Sun.