Weatherman WalkingSeries 619/04/2005BBC Radio Wales Duration: 28 minutesFirst broadcast: Sun 28th Sep 2008, 12:03 on BBC Radio Wales FMLatest broadcast: Sun 28th Sep 2008, 12:03 on BBC Radio Wales MWWeatherman Derek Brockway takes a walk along the Cob at Porthmadog with Twm Elias, discovering how nature has reclaimed a once industrial area.GenresFactualScience & NatureFormatsDocumentariesBrandWeatherman WalkingSeriesWeatherman Walking: Series 6 Source: BBC Online