1977. Brynn Celli Ddu patterned stone. Wales. Edinburgh Arts 1977.
30 June -1 July 1977. The patterned standing stone of Bryn Celli Ddu chambered cairn, Ynys Mon (Anglesey), Gwynedd, North Wales. The stone was found buried beneath the central chamber, and has now been replaced by a replica. The original is in the National Museum of Wales, Cardiff. Edinburgh Arts 1977.