United States Capitol Neoclassical Facade Washington DC United States // WASHINGTON DC, United States — Black vehicles idle before the neoclassical East Front facade of the United States Capitol building, anchored by its expansive marble staircases and Corinthian colonnades. Originally designed by William Thornton in 1793, the structure exemplifies American Neoclassical architecture, drawing heavy inspiration from classical Greek and Roman templates. The prominent cast-iron dome, designed by Thomas U. Walter and completed in 1866, weighs nearly nine million pounds and is painted to match the b

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