The Harold Stone, Skomer Island c.2000
The Harold Stone, Skomer Island c.1940s
The Harold Stone, Skomer Island, c.1910
Snow at the Harold Stone, Skomer Island, c.1980s
Maen hir Pen Maen Wern
Llun agos o faen hir cwarts, Cwm Elan
Maen hir cwarts gyda golygfa o'r dirwedd
Maen hir cwarts, Cwm Elan
Y maen hir Maen Serth
Maen hir yn ardal Rhaeadr
Carreg Cafn-nod a Chylch, Llanfechell