Photo taken on Oct. 7, 2013 shows a woman walking across abandoned fields along a road in southwest Madagascar. An official of the United Nations' Food and Agriculture Organization (FAO) told Xinhua on Oct 16, 2013 that as many as 4 million people in rural areas of Madagascar face food insecurity following a 21% drop in grain production in the country this year mainly caused by locust plague. [Photo/Xinhua]