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Have you ever found anything interesting on your walk?

Well four-year-old Lily from Barry, in the Vale of Glamorgan, found something very unusual. She discovered a dinosaur footprint!

The footprint which has been preserved in mud, is 220 million years old.

Although they don't know what type of dinosaur left the mark, the print is 10 cm long and likely to be from a 75 cm tall dinosaur - that's roughly the same height as an average donkey.

Lily was out walking on Bendricks Bay beach with her Dad, looking for shells, when she spotted something and said: "Daddy look at this."

It turns out she'd found a dinosaur footprint. Lily's Dad Richard said: "It was almost just unbelievably realistic I just couldn't believe it was real."

The family posted a picture of the print on a fossil identification Facebook page and from there they were put in touch with an archaeologist and palaeontology curator Cindy Howells from National Museum Wales.

Cindy described the footprint as "the best specimen ever found on this beach".

Although we don't know what dinosaur the print is from, Lily doesn't think it's from a Tyrannosaurus Rex because the print she found was "tiny" and "T-Rex's footprints are big".

The area where Lily found the print is special too.

The Bendricks is a stretch of coastline between Barry and Sully in the Vale of Glamorgan. The beach is well-known for its dinosaur footprints and a site of special scientific interest.

Have you found anything interesting on your walks? Let us know in the comments below.