Baiyoke Tower II vs Pentagon

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Baiyoke Tower II (Thai: ????? 2; RTGS: Bai Yok Song) is an 88-storey, 309 m (1,014 feet ) skyscraper hotel at 222 Ratchaprarop Road at the Ratchathewi District of Bangkok, Thailand. It's the third tallest building in the city, after MahaNakhon and Magnolias Waterfront Residences in ICONSIAM. The construction comprises the Baiyoke Sky Hotel, the tallest hotel in Southeast Asia and the seventh-tallest all-hotel structure in the world.With the antenna included, the building's height is 328.4 m (1,077 feet ), and features a public observatory on the 77th floor, a bar calledRoof Top Bar & Music Lounge on the 83rd floor, a 360-degree revolving roof deck on the 84th floor and the hotel provides 673 guest rooms.

Construction on the building ended in 1997, with the antenna being added two decades later. The Baiyoke Sky Hotel website notes the height without the antenna as 309 m (1,014 feet ), but the Council on Tall Buildings and Urban Habitat (CTBUH), Emporis and SkyscraperPage note it as 304 m (997 ft).

Source: Wikipedia

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The Pentagon is the headquarters building of the United States Department of Defense.

As a symbol of the U.S. military, the phrase The Pentagon is also often used as a metonym for the Department of Defense and its leadership. Located in Arlington County, Virginia, across the Potomac River from Washington, D.C., the building was designed by American architect George Bergstrom and constructed by contractor John McShain. Ground was broken on 11 September 1941, and the building was dedicated on 15 January 1943. General Brehon Somervell supplied the important motivating power behind the project; Colonel Leslie Groves was responsible for overseeing the project for the U.S. Army. The Pentagon is the world's largest office building, with about 6,500,000 sq feet (600,000 m2) of space, of which 3,700,000 sq feet (340,000 m2) are used as offices. Some 23,000 military and civilian employees, and another 3,000 non-defense support employees, work in the Pentagon. It has five sides, five floors above ground, two basement levels, and five ring corridors per floor with a total of 17.5 mi (28.2 km) of corridors. The fundamental five-acre (20,000 m2) pentagonal plaza is nicknamed'ground zero' on the presumption that it would be a prime target in a nuclear war.On 11 September 2001, exactly 60 years after the building's construction began, American Airlines Flight 77 was hijacked and flown into the western side of the building, killing 189 people (59 victims and the five terrorists on board the airliner, as well as 125 victims in the building), according to the 9/11 Commission Report. It was the first major foreign attack on Washington's governmental facilities since the town was burned by the British during the War of 1812. The Pentagon is listed on the National Register of Historic Places and is a National Historic Landmark.

Source: Wikipedia