Hello,

Love this type of story:

"The Temple of the Feathered Serpent, also known as the Temple of Quetzalcoatl, is a six-level pyramid decorated with snake-like creatures.

Hundreds of mysterious spheres lie beneath the Temple of the Feathered Serpent, an ancient six-level step pyramid just 30 miles from Mexico City. ..."

http://news.discovery.com/history/a...mple-130429.htm

Love,
Di

"the objects...are covered with a yellow material called jarosite."- Usually found as amber-yellow to brown crusts or coatings of minute crystals, http://www.mindat.org/min-2078.html