cup markspassage tombs are adorned with rock art, both inside the chamber and on the kerb .
A compartment in a tomb in which burials were placed. In court tombs and wedge tombs a chamber is a sub-division of the burial gallery. Portal tombspassage tombs can have anything from one to five chambers, although usually passage tombs are considered to have a main chamber with extra subsidary chambers.
A kerb is a ring of stones placed around the perimeter of a burial mound or cairnpassage tombs, but do occur on court tombs and wedge tombs too.
Sometimes on passage tombs the stones can bear decoration, such as at Newgrange (County Meath).
