A plaque with a representation of a serpent carved into it
Media playback is unsupported on your device
Video

Ancient Aztec carvings discovered in Mexico City

Mexican archaeologists have discovered 23 stone plaques dating back over 500 hundred years outside an Aztec temple in Mexico City.

The ornately carved relics are thought to illustrate ancient legends.

David Cuen reports.

Go to next video: Ancient Aztec school exhibition opens