
Perched on her neighbour's rooftop, Ghulam Bano gazes down at the remains of her home, submerged in murky, foul-smelling floodwater that has engulfed much of Pakistan's Punjab region.
Monsoon rains this week swelled three transboundary rivers that cut through Pakistan's eastern province, the nation's agricultural heartland and home to nearly half of its 255 million people.