Underground...

Having largely retired from the underground pursuit of cave and mine exploration, I had the chance to assist with a group in a big mine called Cwmorthin today. While re-affirming to me that the underworld is not my natural habitat, we still enjoyed an interesting day. It's hard to not to be impressed by the size and scale of the mine - it's enormous. Even the Victorian engineering, as mad as it all was, has to be admired. Journeying through the different levels, we passed various artifacts, bridges and even used a zip-wire to cross above a big cavern. Not your ordinary Friday....