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According to DailyMail, the tribe, which lives in a remote corner of Ethiopia's Omo Valley, is home to an unusual ritual which sees young men gorge on cow's blood and milk in a bid to be crowned the fattest man.
Six months after starting the regime, the men emerge to show off their newly engorged physiques and for a winner to be chosen.
The champion fat man is then feted as a hero for the rest of his life.
Bizarre it may sound, See the pictures below