Poulnabrone Dolmen, County Clare , Ireland , downloaded from pdphoto.org , en:sr:Слика:Paulnabrone.jpg · User Kglavin on en.wikipedia · Source · Public domain
A Neolithic portal tomb in the Burren, with an elevated capstone and excavated burial evidence. The photograph depicts this particular monument.
Period tags describe the historical site or interpreted history, not the date of every standing structure.
