Trefael Stone reveals stone age burial chamber
The Trefael Stone, seen here with a metre-long measuring stick, is probably the capstone of a Stone Age burial chamber
Archaeologists are to exhume and analyse human bones found under a prehistoric monument only recently identified as a burial site cap.
The Trefael Stone in Pembrokeshire was thought to be just one of many linked to nearby Bronze Age locations.
But it has now been reclassified after a survey established it as the capstone of a Stone Age ritual burial chamber.
The survey revealed the location, near Nevern, has been used for ritual burials for at least 5,500 years.
BBC News - Trefael Stone reveals stone age burial chamber