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The Incredible Hulk (movie, 2008)

Going all out for 'White House Down'

MONTREAL — On a warm fall day in a scruffy suburb of this Canadian city, some familiar sights appear. French-language road signs note estimated distances in kilometers. Beret-wearing soldiers stand guard. A restaurant offers a poutine special.

And then, suddenly, some less familiar ones: large sections of the White House, built to scale and scattered across several neighborhoods of the city. The elegant South Portico, fronted by a lawn big enough for a couple of military helicopters. An elegant pool, in which, at the moment, a sturdy armored car known as "The Beast" is flipped on its back. A gallery of presidential portraits in a carefully appointed room.

No, the...