Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Big Pit Colliery, slide
Locomotive 'Blaenavon Nora No.5' on the new drift side, Big Pit Colliery. Three men stood around the engine.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.