Crowning the hill was a megalithic dolmen. Korean dolmens exhibit a morphology distinct from the Atlantic European dolmen. Archaeologists have unearthed small villages and megalithic burials (dolmen) from this period. Also, there are about 150 dolmens in abundance, which is good for making dolmen. One or possibly two megalithic dolmen have been found in the Hijaz. A rare dolmen still covered by its original cairn. Carreg Coetan Arthur is a neolithic dolmen near Newport in North Pembrokeshire, Wales. Mecklenburg is the site of many prehistoric dolmen tombs. Poulnabrone is the largest Irish portal tomb after Brownshill Dolmen in County Carlow. Rectangular huts and increasingly larger dolmen burial sites are found throughout the peninsula. The Drumanone Dolmen (portal tomb) is just west of the town. The method of inhumation usually involves a dolmen. It will be the most common form of burial (simple dolmen) until c. 1500 BCE. The Table des Marchand is a large dolmen containing a number of decorations. Chieftains from the surrounding regions were ritually buried here, particularly in the Santa Cruz dolmen.