keywords: cairo walls egypt crumbling buildings
text: Egypt's Walls Come Tumbling Down  CAIRO -- Two outer walls are cracked and crumbling, the bathroom walls have fallen down in a heap of brick, the steps to the second floor wiggle like loose teeth. Groundwater seeps into a little courtyard to form an unwanted wading pool. The whole two-story structure sags in the middle, as if suspended from a rope attached to the buildings next door.