Introduction
The country of Bangladesh has historically served as a virtual bulls-eye for cyclonic activity in its corner of the Indian Ocean. Not only is the bay that leads onto shore extremely flat (and shallow), the shoreline is shaped like a horseshoe, which draws the storm activity inward. Also, the Bangladeshi lowlands along the ocean are also flat, and they do not drain well at all. This is good when you want to grow rice, but it is not so good when you want to avoid tragedy when a cyclone blows ashore and brings flooding with it. In the centuries before such ...