In the crowded slums of Lagos, Nigeria, untreated sewage mingles with the chaotic network of pipes that deliver water to the city. Those who can't afford a local borehole or a private vendor know better than to take their chances with the taps -- most preferring to go thirsty instead.(http://feeds.feedburner.com/~r/rss/edition_africa/~4/VBgWMp-HhrU)
CNN