14:04Galwad Eto30/10/2013BBC Radio Cymru Duration: 26 o funudau Wed 30th Oct 2013, 14:04 on BBC Radio CymruCyfle i glywed rhai o bigion 'Galwad Cynnar' eto. Highlights from Galwad Cynnar.GenresFactualScience & NatureBrandGalwad Eto Source: BBC Online