Dolmen dated to 2500BC

Located in a housing estate.

https://curiousireland.ie/ballybrack-dolmen-ballybrack-co-dublin-2500-b-c/

Bitterly cold and no swimming today. Playing catch up.

Extra shows codeword type quiz with NO CLUES. I visited my mum who will be 100 in April. She was just starting it. I will visit her on Friday and see if she managed it. Any takers, blippers?

https://youtu.be/Rc3sKgQO0jk?si=LkaNVFR5BiGHx9XR[/