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World Second Highest Tower:Tokyo Skytree

World Second Highest Tower:Tokyo Skytree

On 22 May in 2010 world  Highest tower(currently second) was inagurated.
                                    The Tokyo Sky Tree also known as the Tokyo Sky Tree is a broadcasting and telecommunications tower in Tokyo. With 2,080 feet (634 m), it is the second tallest structure in the world after the Burj Khalifa in Dubai. The Tokyo Sky Tree is also the tallest free standing tower in the world, and the tallest structure in the city, the Tokyo Tower exceeds 988 feet (301 meters). The tower has two sections of publicly accessible observation, the Tempo Deck and the Tempo Gallery (or Galleria).


                                   The three-tiered Tambo Deck features an observation floor that sits above the two floors of the restaurant, at an altitude of 1,148 feet (350 m).The Tambo Gallery has two floors, connected to each other by a symmetrical framing ramp. These floors are 1,480 feet (451 m) above the ground. The construction of Tokyo Sky Tree began in 2008 and designed by the Nikken Sekkei architecture firm. A main column of reinforced concrete, surrounded by an envelope shaft and an emergency staircase, surrounded by a framework of steel tubes. Based on this, the framework takes the form of a reciprocal triangle with sides of 223 feet (68 meters), but like tower tapers, the cross section gradually becomes circular. 


                                The main column extends to a height of only 1,230 feet (375 m) and does not support the tower. Instead, at height of 410 feet (125 m), it is connected to the steel framework by flexible oil dumpers that act as shock absorbers.In the event of an earthquake, the main column is intended to counter the tower in ay way.Tokyo Sky Tree is a masterpiece multi-level urban development center called Tokyo Sky Tree Town.Other attractions include a large shopping center, aquarium, a planetarium and a 31-story office building.

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