SINCE ages past Jakarta has always been an area prone to flooding. The main cause has been the increase in the volume of water in the Cisadane, Angke, Ciliwung and Bekasi rivers during the rainny season. From the time the Dutch colonial government established Batavia in the 16th century, flood control has been planned for the city through the creation of canals exactly like those in the capital city of the colonists themselves, Amsterdam. Neverth