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The United States Capitol rotunda is the central rotunda of the United States Capitol in Washington, D.C.. Located below the Capitol dome, it is the tallest part of the Capitol and has been described as its "symbolic and physical heart." The rotunda is surrounded by corridors connecting the House of Representatives and Senate sides of the Capitol. To the south of the rotunda is the semi-circular National Statuary Hall, which until 1857 was the House of Representatives chamber. To the northeast of the rotunda is the Old Senate Chamber, used by the Senate until 1859 and by the Supreme Court of the United States until 1935. The rotunda is in diameter and rises 180 feet 3 inches (54.94 m) to the canopy, and is visited by thousands of people each day. It is surmounted by the American ''Statue of Freedom''. It is also used for ceremonial events authorized by concurrent resolution, including the lying in state of honored people. ==Design and construction== The doctor and architect William Thornton was the winner of the contest to design the Capitol in 1793. Thornton had first conceived the idea of a central rotunda. However, due to lack of funds or resources, oft-interrupted construction, and the British attack on Washington during the War of 1812, work on the rotunda did not begin until 1818. The rotunda was completed in 1824 under Architect of the Capitol Charles Bulfinch, as part of a series of new buildings and projects in preparation for the final visit of Marquis de Lafayette in 1824. The rotunda was designed in the neoclassical style and was intended to evoke the design of the Pantheon. The sandstone rotunda walls rise above the floor; everything above this—the Capitol dome–was designed in 1854 by Thomas U. Walter, the fourth Architect of the Capitol. Walter had also designed the Capitol's north and south extensions. Work on the dome began in 1856, and in 1859, Walter redesigned the rotunda to consist of an inner and outer dome, with a canopy suspended between them that would be visible through an oculus at the top of the inner dome. In 1862, Walter asked painter Constantino Brumidi to design "a picture in diameter, painted in fresco, on the concave canopy over the eye of the New Dome of the U.S. Capitol." At this time, Brumidi may have added a watercolor canopy design over Walter's tentative 1859 sketch. The dome was being finished in the middle of the American Civil War and was constructed from fireproof cast iron. During the Civil War, the rotunda was used as a military hospital for Union soldiers. The dome was finally completed in 1866. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「United States Capitol rotunda」の詳細全文を読む スポンサード リンク
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