Messeturm Frankfurt vs One World Trade Center

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The Messeturm, or Trade Fair Tower, is a 63-storey, 257 m (843 feet ) skyscraper at the Westend-Süd district of Frankfurt, Germany. It is the second tallest building in Frankfurt, the second tallest building in Germany and the second tallest building in the European Union. It was the tallest building in Europe from its completion in 1991 until 1997 when it was surpassed by the Commerzbank Tower, which is also situated in Frankfurt. The Messeturm is the 17th tallest building in Europe and the 413th tallest in the world.

The Messeturm is located close to the Frankfurt Trade Fair grounds. Helmut Jahn made the Messeturm in a postmodern architectural style. It is regarded as one of the design classics among European skyscrapers. Despite its name, the Messeturm isn't used for trade fair exhibitions but as an office building. It is one of the few buildings in Germany with their own postal code (60308), the others being Opernturm, another Frankfurt skyscraper, and the summit station on Zugspitze.

Source: Wikipedia

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One World Trade Center (also known as One World Trade, 1 WTC, or Freedom Tower) is the main building of the rebuilt World Trade Center complex in Lower Manhattan, New York City.

1 WTC is the tallest building in the United States, the tallest building in the Western Hemisphere, and the sixth-tallest in the world. The supertall structure has the identical title as the North Tower of the original World Trade Center, which was destroyed in the terrorist attacks of September 11, 2001. The new skyscraper stands on the northwest corner of this 16-acre (6.5 ha) World Trade Center site, on the website of the original 6 World Trade Center. The building is bounded by West Street to the west, Vesey Street to the north, Fulton Street to the south, and Washington Street to the east. The building's architect is David Childs, whose firm Skidmore, Owings & Merrill (SOM) also designed the Burj Khalifa and the Willis Tower. The construction of below-ground utility relocations, footings, and foundations for the new building began on April 27, 2006. One World Trade Center became the tallest construction in New York on April 30, 2012, as it surpassed the height of the Empire State Building. The tower's steel structure was topped out on August 30, 2012. On May 10, 2013, the last component of this skyscraper's spire was set up, which makes the building, including its spire, reach a whole height of 1,776 feet (541 m). Its elevation in feet is a deliberate reference to the year when the United States Declaration of Independence was signed. The building opened on November 3, 2014; the 1 World Observatory opened on May 29, 2015. On March 26, 2009, the Port Authority of New York and New Jersey (PANYNJ) confirmed that the building would be officially known by its legal name of'One World Trade Center', rather than its colloquial name of'Freedom Tower'. The building is 104 standard floors high, but the tower has just 94 real stories. The new World Trade Center complex will eventually contain five high-rise office buildings built along Greenwich Street, in addition to the National September 11 Memorial & Museum, located just south of One World Trade Center where the original Twin Towers stood. The construction of the new building is part of an effort to memorialize and rebuild following the destruction of the original World Trade Center complex.

Source: Wikipedia