LUSAKA,ZAMBIA - DECEMBER 2: farmer takes care of tomato plants in greenhouses, which provide employment to 800 farmers, on December 2,2011 in Lusaka, Zambia
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LUSAKA,ZAMBIA - DECEMBER 2: farmer takes care of tomato plants in greenhouses, which provide employment to 800 farmers, on December 2,2011 in Lusaka, Zambia