Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Aberllefenni slate quarry, photograph
Inner Voel Chamber at Aberllefenni Slate Mine. Philip Evans using plug and feathers.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Inner Voel Chamber at Aberllefenni Slate Mine. Philip Evans using plug and feathers.