Ancient mask
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Peru: Hidden treasures thought to pre-date Incas

Hidden treasures discovered by archaeologists in Cuzco, Peru, are thought to pre-date the Incas, holding valuable information about an advanced culture.

Cuzco Cultural Director Juan Julio Garcia said, "After Machu Picchu this is the most important discovery".

A collection of the artefacts from the find has gone on display in the city of Cuzco.

The BBC's Dan Collyns reports from Peru.