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Enlace: http://www.pbs.org/wgbh/nova/flood/

Descripción: PBS NOVA Online.
«Around the world, unruly rivers have long driven a hard bargain. In exchange for rich soil, irrigated land and convenient transportation, they have forced floodplain dwellers to deal with an occasional washout. Engineers have labored for thousands of years to lessen the risk, but their attempts at managing Mother Nature have been mixed -- often resulting in as much failure as success.»