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In Egypt
Alia Qotb and husband Ahmed Gaballah have spent decades living atop a building in Cairo. Their makeshift hut has no running water. "It's horrible. Rain. Heat. Insects. There's no toilet up here," Gaballah says.

Alia Qotb and husband Ahmed Gaballah have spent decades living atop a building in Cairo. Their makeshift hut has no running water. "It's horrible. Rain. Heat. Insects. There's no toilet up here," Gaballah says.