Wed Jun 6, 3:32 PM ET

The Erasmus Bridge towers over the river Maas in Rotterdam, the Netherlands, on this April, 2007 photo. On May 14, 1940 a Nazi bombardment flattened buildings and sparked an inferno that destroyed most of downtown Rotterdam, creating an architects' playground during post-World War II reconstruction. As part of its City of Architecture year that has just kicked off, Rotterdam has launched a Web site www.rotterdam2007.nl with descriptions and anecdotes about 40 of the city's most interesting buildings. (AP Photo/ Bas Czerwinski)

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