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Ancient finds of "international importance" which show how people lived on Anglesey around 6,000 years ago are to be revealed for the first time.

Archaeologists, working a decade ago at Parc Cybi on Holy Island, Holyhead, uncovered a treasure trove of artefacts dating back to the Neolithic period.

A 6,000 year old Neolithic timber hall, a 2,400-year-old Iron Age village and a 4,000-year-old Bronze Age burial site with stone chambers were just some of the discoveries made by experts from the Gwynedd Archaeological Trust who excavated the 20 hectare site between 2006 and 2010,.

The most important artefact is considered to be a large Neolithic let-like bead - the only one known to have come from Wales - and believed to be 5,700-years-old.

Now, for the first time, archaeologists are to hold a five week exhibition of their findings, which will offer an insight into how the area changed over time.

(Image: Gwynedd Archaeological Trust)

Jane Kenney, Parc Cybi site director and senior archaeologist at Gwynedd Archaeological Trust, said: "Such a big area was excavated - the whole landscape was looked at in detail.

"We see how a large chunk of Holy Island has changed over time.

"It's interesting to see how it went from an ordinary settlement to a religious burial area, while we have also got archaeology that dates back around 6,000 years ago to present.

"One of the more important sites on Parc Cybi is the remains of a rectangle timber building that about 15 metres long.

"It's a big timber hall that dates back to 3,700 BC which is the early Neolithic period when farming and pottery were first introduced.

(Image: Helen Flook)

"Large houses of that period are really quite rare to find - especially in Wales."

She added: "We also found a large bead made of cannel-coal, which is sort of related to coal but looks like jet - a dark semi-precious stone that you get in Whitby.

"This particular bead, that was never finished, dates back to the early Neolithic period and was made by people who lived in this bug timber house but was lost outside.

(Image: Gwynedd Archaeological Trust)

"It is not often you get jet-like beads from the Neolithic period in Wales, it's the earliest one we've found.

"It was my favourite find in Parc Cybi because it's just so unusual and it has a completely unique shape."

Ms Kenney said the exhibition follows the end of their post excavation analysis, that can take some time to put together.

"We can now start telling people about what we found and give a very brief overview about what is there," she added.

"It is all pretty much new information that we've not been able to get out to the public until now."

(Image: Gwynedd Archaeological Trust)

The excavations funded by the Welsh Government were understood to have cost around £3million.

A public talk on the findings will be held by Ms Kenney at the Ucheldre Centre in Holyhead on February 7, before the exhibition gets underway the following day.

It will run until March 15, before moving to Oriel Ynys Mon in Llangefni from June 27 until January 2021.