Dams have been essential for the growth of population and its prosperity. Men have been building dams for 5,000 years. Last century, 75,000 dams have been built in the United States. It has been estimated that by 2020 the 85% of those barriers will reach the end of the designed life-span. Over the past 30 years approximately 900 dams have been removed
(in the US) due to ecological concerns, ... [Show full abstract] calling into question the supply model and the idea of the City. Construction of dams complied to the inescapable necessity of progress, their demolition is driven by the search for an original landscape.
Two American stories of spatial and social modification are a chance to explore and problematize the limits and the inevitabilities of dams in contemporary.