United Kingdom
Wales
Wenvoe
St Lythans Burial Chamber
Neolithic dolmen with a large capstone supported by smaller upright stones, built for communal funerary practices around 4,000 BCE.
http://cadw.gov.wales/daysout/stlythansburialchamber/
St Lythans Burial Chamber Guides
Ancient Monuments in the UK
meandering_wild (Suzanne E)