Complex sentence: Clare is one of the richest places for these tombs in Ireland, the most noted is in The Burren area, it is known as Poulnabrone dolmen which translates as the "hole of sorrows".
Split into simpler sentences: Clare is one of the richest places for these tombs in Ireland. The most noted one is in The Burren area; it is known as Poulnabrone dolmen which translates to "hole of sorrows".