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Mexican archaeological authorities said they had found three ballfields, a residential area, and a pair of terrace structures called balcones through state-of-the-art image and remote sensor analysis, Mexican media reported. All are believed to be more than a thousand years old, and are covered by vegetation and sediment.
The balcones were found in the little-explored northern part of the archaeological site in Veracruz state. They are 10 to 15 meters wide at their base at 10 to 12 meters at the top, Notimex reported.
The discoveries will have to be confirmed through archaeological digs, officials said.