Dic ShanghaiEpisode 4BBC Radio Cymru Duration: 30 o funudauFirst broadcast: Fri 13th Apr 2012, 18:03 on BBC Radio CymruLatest broadcast: Sat 14th Apr 2012, 12:03 on BBC Radio CymruGan Wiliam Roberts. Tridegau'r ugeinfed ganrif, ac mae cyfraith a threfn Shanghai yn nwylo un Cymro bach ymroddedig. A radio drama by Wiliam Roberts.GenresDramaSeriesDic Shanghai Source: BBC Online