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Dating to approximately 343 to 1 BC they are more than 2000 years old, and from the prehistoric period known as the Iron Age.

Jesper Milan, palaeontologist and curator at the museum, told the BBC it was "truly an unusual find" as it helps explain relationships in the prehistoric food chain.

They believe there could be more footprints, these echoes of our prehistoric past, just waiting to be discovered.

Nestled within the valleys, hills and open fields of Wales, lies one of Western Europe's most remarkable collections of prehistoric Neolithic burial chambers.

The use of reeds for the manufacturing of arrows in prehistoric Europe, a hypothesis considered by researchers for decades, is finally confirmed by these findings.