20:10Seven Wonders of the Industrial WorldEpisode 5: Sewer KingBBC Two Duration: 50 minutes Mon 28th Mar 2005, 20:10 on BBC Two Wales (Analogue)As 19th century London's sewage problem reached crisis point and cholera was rife, Joseph Bazalgette proposed a scheme to link thousands of miles of street sewers.GenresFactualScience & NatureSeriesSeven Wonders of the Industrial World Source: BBC Online