Hundreds of mysterious yellow orbs have been found beneath Mexico’s Temple of the Feathered Serpent.
Jorge Zavala, an archaeologist with Mexico’s National Anthropology and History Unit told NBCNews Science: “They look like yellow spheres, but we do not know their meaning. It’s an unprecedented discovery.”
yellow orbs temple of the feathered serpent
Tabs show the locations of the mysterious yellow spheres
The balls range from 1.5 to 5 inches in circumference, have a core of clay and are covered with a yellow material called jarosite.
Remote-controlled Tláloc II-TC (who is named after Mexico’s ancient god of rain) is three-feet-long and can squeeze through tight spaces where human beings would otherwise be unable to explore.