Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Big Pit Mining Museum site development, slide
Building work as part of the development of Big Pit Mining Museum.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Building work as part of the development of Big Pit Mining Museum.