Knowth, Neolithic passage grave, UNESCO, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Ireland

- Image ID: JTACBB
Knowth, Neolithic passage grave, UNESCO, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Ireland
robertharding / Alamy Stock Photo
Image ID: JTACBB