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Ancient Aztec tomb yields unusual discoveries in Mexico City

8 August 2012 Last updated at 16:23 BST

Around 1700 human bones have been found in an Aztec tomb in Mexico.

Archaeologists made the unusual discovery while excavating the ruins of Mexico City's Templo Mayor, built during the 14th Century.

Also unearthed was a sacred tree trunk which was thought to have cosmic powers.

Elise Wicker reports.