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The Burj Khalifa [a] (known as the Burj Dubai prior to its inauguration) is a skyscraper in Dubai, United Arab Emirates and the world's tallest structure.With a total height of 829.8 m (2,722 ft, or just over half a mile) and a roof height (excluding antenna, but including a 242.6 m spire) [2] of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure and building in the world since ...
The hijackings, crashes, fires and subsequent collapses killed an initial total of 2,760 people. Toxic powder from the destroyed high-rises was dispersed throughout the city and gave rise to numerous long-term health effects that continue to plague many who were in the towers' vicinity, with at least three additional deaths reported. [17]
When the Twin Towers were completed, the total costs to the Port Authority had reached $900 million. [89] The ribbon-cutting ceremony took place on April 4, 1973. [90] In addition to the Twin Towers, the plan for the World Trade Center complex included four other low-rise buildings, which were built in the early 1970s.
[2] [179] When the spire is included in the building's height, as stated by the Council on Tall Buildings and Urban Habitat (CTBUH), One World Trade Center surpasses the height of Taipei 101 (1,671-foot (509 m)), is the world's tallest all-office building, and the seventh-tallest skyscraper in the world as of May 2023, behind the Burj Khalifa ...
The September 11 attacks were the deadliest terrorist attacks in human history, causing the deaths of 2,996 people, including 2,977 victims and 19 hijackers who committed murder–suicide. Thousands [ a ] more were injured, [ 3 ] [ 4 ] and long-term health effects have arisen as a consequence of the attacks.
Weather disasters are striking the world four to five times more often and causing seven times more damage than in the 1970s, the United Nations weather agency reports. In the 2010s, that dropped ...
For example, the 2004 Indian Ocean earthquake and tsunami, with a death toll of around 230,000 people, cost a 'mere' $15 billion, [1] whereas in the Deepwater Horizon oil spill, in which 11 people died, the damage was six times higher. The most expensive disaster in human history is the Chernobyl disaster, costing an estimated $700 billion. [2]
Analysis by the city’s Office of the Actuary — the first since 2003 — estimates that the cost of 9/11-related retirements and deaths through June of this year has soared to $2.35 billion ...