Compare Burj Khalifa And Willis Tower

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Compare the Burj Khalifa and the Willis (Sears) Towers: key facts, construction, height, technical details.

The buildings in our lives are improving very fast and some of these buildings are towers and skyscrapers. Willis Tower and Burj Khalifa are two of the most amazing skyscrapers on the planet. Both have their own characteristics in construction, design and technical features. This essay will compare between Burj Khalifa and Willis Tower in terms of facts, design, construction and technical features.

Key Facts
The most popular tower and skyscraper in the world in this period is Burj Khalifa. Burj Khalifa was built in Dubai (UAE) started in 2004 and completed in 2010 (Burj Khalifa, 2015). Burj Khalifa is the tallest tower in the world and standing 829.8m from sea level (Burj Khalifa, 2015). In addition it has highest number of floors which is 163, and the total
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Both Burj Khalifa and Willis Tower have the same reason to build which is to become the tallest towers and skyscrapers in the world (Burj Khalifa, 2015 - Willis Tower, 2015). For instance, Willis Tower was the tallest tower and skyscraper for 25 years until 1998 (Willis Tower, 2015 - Find the Data, n.d.). Similarly Burj Khalifa is the tallest tower and skyscraper in the world from 2010 until now (Burj Khalifa, 2015, FindTheData, n.d.). Likewise both are having climbing facilities. For example, Dan Goodwin is the first person to climb Willis Tower in 1981 (Willis Tower, 2015). Alain spider man also is the first one who climbed Burj Khalifa, figure 3 shows Alain while climbing. Too both are having observation deck. Both have their own observation deck. Willis Tower has it on the 103rd floor at a height of 412m, which was opened in 1974 and named Skydeck (Willis Tower, 2015).Figure 4 show Skydeck of Willis Tower. However Burj Khalifa has it on the 124th floor at a height of 425m, and was opened in 2010 and named At the Top (Burj Khalifa,
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