Chiapa de Corzo, Mexico
Mixe-Zoque Civilization

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	Mound 5 burial, Chiapas Regional Museum

Carved femur Tomb 1, Mound 1	Carved femur Tomb 1, Mound 1

Stela 2, December 7, 36 B.C.

Wikipedia
The Carved Human Femurs from Tomb 1, Chiapa de Corzo, Chiapas, Mexico by Pierre Agrinier, American Antiquity, July 1961
The Artifacts of Chiapa de Corzo, Chiapas, Mexico by Thomas A. Lee, American Anthropologist, April 1973
Pyramid Tomb Found: Sign of a Civilization's Birth? (National Geographic News, May 18, 2010)
Descubrimiento en Chiapa de Corzo (Video)
La Tumba más antigua de Mesoamérica en Chiapa de Corzo (Video)