Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Big Pit Colliery, photograph
View of headgear with pit props in foreground.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
View of headgear with pit props in foreground.