Disinfection at home could provide Africa with cheap and abundant potable water
Ogongo, Kenya–To the crowd's delight, the dancer wiggles his hips and flails his arms. His bulky, blue costume–an oversized embodiment of a bottle of chlorine solution–lurches comically. In step with a drum-and-guitar accompaniment, other performers masquerade as a water jug and caricatures of a man and a woman. Among
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