Mexican pyramid is "like a Russian nesting doll"

The Temple of Kukulcan at Chichen Itza, a World Heritage site in the Yucatan Peninsula of Mexico, revealed yet another pyramid inside, bringing the total number pyramids inside to two. This three-structure temple apparently was built in three phases, as the newer temples were built over top of, and encapsulating, the earlier ones.

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Mexican pyramid has two more inside, scientists discover

By Agence France-Presse in Mexico City

The Guardian

November 16, 2016