Mohammed Riahi*, and his father and mother at breakfast on the floor of their spacious home in Yazd, Iran. Mohammed, 30, lives at home with his parents until he marries. Parents are Amin Riahi, 72, and Fakhri Ghanad, 60. *Mohammed is one of the 101 people selected for inclusion in Peter Menzel & Faith D'Aluisio's upcoming book Nutrition 101 (2008) about what people around the world eat in one day's time.