The White House is the official residence and workplace of the president of the United States.It is located at 1600 Pennsylvania Avenue NW in Washington, D.C., and has been the home of each U.S. president since John Adams in 1800. The term 'White House' is often used as a metonym for the president and his advisers. The home was designed by Irish-born architect James Hoban in the neoclassical style. Hoban modelled the construction on Leinster House in Dublin, a building which houses the Oireachtas, the Irish legislature. Construction took place between 1792 and 1800 using Aquia Creek sandstone painted white. When Thomas Jefferson moved into the home in 1801, he (with architect Benjamin Henry Latrobe) added reduced colonnades on each wing which concealed stables and storage. In 1814, during the War of 1812, the mansion had been set ablaze by the British Army in the Burning of Washington, destroying the interior and charring a lot of the exterior. Reconstruction began almost immediately, and President James Monroe moved into the partially rebuilt Executive Residence in October 1817. Exterior building continued with the inclusion of the semi-circular South portico in 1824 and the North portico in 1829. Because of crowding inside the executive order , President Theodore Roosevelt had work offices relocated to the newly constructed West Wing in 1901. Eight years later in 1909, President William Howard Taft enlarged the West Wing and created the first Oval Office, which was finally moved as the section was expanded.
Guangzhou International Finance Center
Guangzhou International Finance Center or Guangzhou West Tower, is a 103-story, 438.6 m (1,439 Feet ) skyscraper at Zhujiang Avenue West in the Tianhe District of Guangzhou, Guangdong.One half of the Guangzhou Twin Towers, it's the 23rd tallest building in the world, completed in 2010. As of March 2018, it's the world's tallest building with a roof-top helipad, at 439 m (1,439 feet) high. The world's second-tallest building with a roof-top helipad was also completed in 2010: Beijing's China World Trade Center Tower III, whose roof-top helipad is 330 m (1,083 feet) high. Both buildings are taller than the U.S. Bank Tower, the previous record-holder from 1989 to 2010, whose roof-top helipad is simply 310.3 m (1,018 feet) high. Construction of the building, designed by WilkinsonEyre, broke ground in December 2005, and has been completed in 2010. The building is used as a conference centre, hotel and office building. Floors 1 through 66 are used as offices, flooring 67 and 68 are for mechanical equipment, flooring 69 to 98 possess a Four Seasons Hotel with the reception being on the 70th floor, and flooring 99 and 100 are used as an observation deck. The building was previously called Guangzhou West Tower and had a related project, the projected Guangzhou East Tower, which, at 475 m (1,558 ft), could have been even taller, though that project has been awarded to another design by Kohn Pedersen Fox, the 530 m (1,740 ft) Guangzhou CTF Finance Center.The building was the winner of the RIBA 2012 Lubetkin Prize. Source: Wikipedia
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