Preliminary site work is now underway at the Tuam Mother and Baby Home site.
They're laying the groundwork for a full excavation, which will begin in the first half of next year.
The plan to recover remains of hundreds of children is extremely complex and will likely take years to complete.
Daniel McSweeney is the Director of Authorised Intervention Tuam.
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Speaking to Galway Talks, he said the site is much bigger and more complex than many people would realise.