Bute Street Station Cwmcerwyn Tunnel looking east Cwmcerwyn Tunnel Portal Caerau Station looking south Obscured A boat trip in a tunnel Gyfylchi Tunnel ventilation Tunnel approach Treherbert Stn 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 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. Peering in Penarth Rd Looking west in Grangetown A square sail There be Vikings! Pwll Du Tram Tunnel Pwll Du Tram Tunnel (south portal) Butetown drinking fountain Big changes