journeyvisit slate mine walesShare on FacebookShare on Twitter413IMAGESExploring Dinorwic a Historic Slate Mine in North WalesNorth Wales Slate Mine Photograph by Dianne Levy7 Hours UNDERGROUNDWelsh Slate landscape becomes newest UNESCO World Heritage SiteCwmorthin slate mine Wales October 2016Welsh slate landscape becomes UK’s newest UNESCO World Heritage siteVIDEOAbandoned Slate Mine WalesExploring Cwmorthin Slate MineEXPLOSIVES Deep down a Slate Mine Wales U K TrimгенгSlate Quarry North Wales
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