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Commercial and residential buildings stand beyond waste ground on the city skyline in Addis Ababa, Ethiopia, on Tuesday, Feb. 24, 2015. Ethiopia's arabica coffee export earnings are forecast to climb 25 percent to about $900 million in 2014-15 because of higher prices after a drought damaged plants in the biggest grower of the bean, Brazil, an industry group said. Photographer: Simon Dawson/Bloomberg via Getty Images

Commercial and residential buildings stand beyond waste ground on the city skyline in Addis Ababa, Ethiopia, on Tuesday, Feb. 24, 2015. Ethiopia's arabica coffee export earnings are forecast to climb 25 percent to about $900 million in 2014-15 because of higher prices after a drought damaged plants in the biggest grower of the bean, Brazil, an industry group said. Photographer: Simon Dawson/Bloomberg via Getty Images