19:30Our RiversEpisode 4: The Lower Bann: Eels, Boats and BirdsBBC Radio Ulster Duration: 30 minutes Thu 21st Nov 2013, 19:30 on BBC Radio UlsterHelen Mark and Michael McNamee journey along six of Northern Ireland's most important and fascinating waterways. The rivers around us are among our most precious resources.GenresFactualScience & NatureFormatsDocumentariesSeriesOur Rivers Source: BBC Online