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A boy drinks water from a tap on April 28,2012 in a 'new town' built by Koidu Holdings, that provides access to clean drinking water, education and training, free healthcare and developing infrastructure, in Koidu, capital of the diamond-rich Kono district, eastern Sierra Leone, some 250 km east from Freetown. Koidu Holdings is owned by a private international investment group BSG Resources Limited which has offices in London and Johannesburg. AFP PHOTO/ ISSOUF SANOGO (Photo credit should read ISSOUF SANOGO/AFP/GettyImages)

A boy drinks water from a tap on April 28,2012 in a 'new town' built by Koidu Holdings, that provides access to clean drinking water, education and training, free healthcare and developing infrastructure, in Koidu, capital of the diamond-rich Kono district, eastern Sierra Leone, some 250 km east from Freetown. Koidu Holdings is owned by a private international investment group BSG Resources Limited which has offices in London and Johannesburg. AFP PHOTO/ ISSOUF SANOGO        (Photo credit should read ISSOUF SANOGO/AFP/GettyImages)