AFTER performing her dawn prayer, Hijriah walked confidently along a frail bridge, carrying two large jerrycans to a sampan. The sun was barely rising, showing only orange light to mark the break of dawn. The tide was rising, with the sea level almost as high as the bridge. As she reached the boat, the 27-year-old woman unfastened its rope, putting both jerrycans onto the sampan and getting aboard. The cans would be filled with freshwater for hou