A farm worker walks between rows of vegetables at a farm in Eikenhof, south of Johannesburg, May 13, 2015. Southern Africa faces possible food shortages over the next few months due to a severe drought in the 'maize belt' of South Africa, where a lack of rain had caused crop failure rates of over 50 percent, the World Food Programme (WFP) said on Monday. In South Africa, the WFP said maize production was estimated to have dropped by a third compared with last year, putting it on track for a harvest of 9.665 million tonnes, its worst in eight years. REUTERS/Siphiwe Sibeko  - GF10000093476
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