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On January 4, 2010, the Burj Khalifa, in Dubai, United Arab Emirates, opened. As of November 2014, the Burj Khalifa is the tallest building in the world, at 829.8 meters (2,723 feet).
 
The Burj Khalifa, which simply means the “Khalifa Tower,” is named after Khalifa bin Zayed al-Nahyan, president of the United Arab Emirates. The tower is part of a national effort by Dubai to support a strong tourist economy. The Burj Khalifa is part of a mixed-use community, including shopping centers, parks, housing, and even a large fountain.
 
The Burj Khalifa itself is a mixed-use property. The tower includes office space, hotels, restaurants, and observation decks. 
economy
Noun

system of production, distribution, and consumption of goods and services.

mixed-use community
Noun

development of an area for more than one purpose, such as housing (residential) and shopping (retail).

national
Adjective

having to do with the government or people of a country.

observation deck
Noun

elevated sightseeing platform.

park
Noun

area of land set aside for recreational use.

property
Noun

goods or materials (including land) owned by someone.

tourist
Noun

person who travels for pleasure.