Cape Town's Water Challenge

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Could you live on 50 litres of water a day? That's the challenge facing millions of people in Cape Town, on the brink of becoming the first major city to run out of water. BBC Africa contributor Mohammed Allie tells us how normal life has changed in his home town. Picture credit: Rodger Bosch/AFP/Getty Images. Description: Several people queueing at a standpipe to fill water containers