18:03Galwad Eto19/08/2008BBC Radio Cymru Duration: 27 o funudau Tue 19th Aug 2008, 18:03 on BBC Radio CymruCyfle i glywed eto rhai o bigion 'Galwad Cynnar'. Highlights from Galwad Cynnar.GenresFactualScience & NatureBrandGalwad Eto Source: BBC Online