Up the Chimney Chimney Flu Cave in Horeb brickworks The gates Horeb Chapel graves The Walker Llanelly and Mynydd Mawr Railway Preservationists MK2 Tar Waggons The end of the line Trackbed Cwm Lliedi Reservoir Cwm Lliedi Reservoir Overbridge Broad Guage Rail The Spillway Consumed by nature Passage Vaulted roof Horeb Chapel Dr Who filming Danger Daylight Firehole A way in Siding gate Reservoir through the trees The weir Calm waters Fallen tree Pipework Motor windings Pump room The way in :-) Valve wheel On/Off The rotor Gwynnes Hanging by a thread Upstairs Staircase Machinery The Pump Building