Weatherman WalkingSeries 6Episode 4BBC Radio Wales Duration: 28 minutesFirst broadcast: Sun 7th Sep 2008, 12:03 on BBC Radio Wales FMLatest broadcast: Sat 13th Sep 2008, 06:31 on BBC Radio Wales MWDerek Brockway walks in and around St David's, Wales' smallest city, in the company of Glenys Jones.GenresFactualTravelBrandWeatherman WalkingSeriesWeatherman Walking: Series 6 Source: BBC Online