Migration to DhakaMILLIONS of people are now leaving their poor rural surroundings, once the hub of their dreams and aspirations, for the lights, action and glimmer of opportunities that big cities of the country seem to offer. The lure of that apparently happy crowd has transformed the cities, once sleepy towns or manageable urban centres, into bursting human hives. From Dhaka to Chittagong and even to Khulna, there is no turning back.