Treherbert Stn Pontypridd Station An old viaduct over the Taff Abercynon Colliery Cardiff Castle The Old Library Hole in the wall Chepstow yard Merthyr bridge Church Village Tynant mine line Mine line Nelson and Llancaiach Stn Viaduct demolishion East to Caerphilly Rheidol Valley (BR) Rhymney Stn Rhymney Stn Tonypandy Stn Taffs Well (looking north) Ystrad Mynach (looking north) Bargoed Stn Barry bridges Tunnel approach Gyfylchi Tunnel ventilation A boat trip in a tunnel Obscured Caerau Station looking south Cwmcerwyn Tunnel Portal Cwmcerwyn Tunnel looking east Bute Street Station Please Adjust Your Dress Canopy Detail Penarth Bay GWR Parcels Depot The mine at Trehafod Queen Street bridge. Dingle Road shelter Mine empties Dead Ely Subway Windsor Rd Dingle Rd rebuilding Pontypridd overview The Ely Subway.