A family takes shelter on the rooftop of a flooded house in the outskirts of Dhaka, Bangladesh, Saturday. Monsoon rains have marooned or destroyed the homes and crops of more than 3 million people. Poisonous snakes killed six children in their flooded homes, and 12 people drowned in swirling waters fed by torrential rains on Friday. The 18 fatalities raised the death toll to 72.