The world's current tallest structure, the Burj Khalifa in Dubai, reaches 2,716 meters into the sky, and new skyscrapers are being built in Asia and the Middle East every year. China has eight of the top fifteen tallest skyscrapers. Shanghai's Pudong International Airport sprawls across an area more than 100 square kilometers (39 sq mi), which is larger than Manhattan.
The city with the most skyscrapers listed on the World Trade Center Site is New York, with 1,454 buildings that exceed 40 feet (12.19 m) in height. Chicago is second with 894 such structures.
The list of world's highest buildings is dominated by engineering marvels that display the skill of their architects and builders. But they also reveal the economic power and prestige of their owners. There are three churches that rise above the other buildings on our list: the 555-foot (173 m) St. Peter's in Rome, the 527-foot (160 m) St. Paul's in London, and the 481-foot (145 m) Trinity Church in New York.
The list also contains some amusing anecdotes. The Chrysler Building, for example, was supposed to be the world's tallest building, but it was surpassed by the Empire State Building several years later. The Shell Building in Houston is the only non-English language written language monument on the list.
With a height of 829.8 meters, the Burj Khalifa in Dubai (United Arab Emirates) is now the world's tallest building, having been completed in 2009. (2,722 ft). The previous record was held by the Petronium Towers in London, which were built in 1994-1998 and stood 1,016 feet tall.
The building's owner, the Emir of Dubai, has said that the tower is not an advertising device but rather a functional structure designed to hold 200 luxury apartments and offices. It also contains several entertainment facilities for visitors, such as a revolving observation deck and a small zoo with animals from all over the world. The building's design is based on the traditional Arabian bivouac, or tent, with its poles and ropes serving as structural support instead of walls or columns.
It took more than five years to complete the construction of this unique structure, which is made of almost 11 million sq ft of concrete and has 87 floors. The estimated cost was $1 billion.
Burj Khalifa stands on the site of an earlier skyscraper, the Daimler Chrysler Building, which was completed in 1930. The original building was 928 feet high, making it at the time the third highest skyscraper in the world after the New York City Hall and the Chrysler Building.
The 828-metre (2,717-foot) tall Burj Khalifa in Dubai has held the title of tallest building since 2010. The Burj Khalifa has been designated as a "megatall," or the world's tallest structure.
| Rank | 15 | |
|---|---|---|
| Name | Landmark 81 | |
| City | Ho Chi Minh City | |
| Country | Vietnam | |
| Height | m | 461.2 |
The Burj Khalifa At 829.8 meters, the Burj Khalifa skyscraper is the world's tallest building (2,722 ft). Guyed masts (such as telecommunication masts), self-supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electrical transmission towers, and bridge support towers are among the structures included. The list below includes only those that are actually used for telecommunications purposes.
The dominance of this one country has more to do with its size than its quality of infrastructure. In fact, although it's a large country, it has very limited territory compared to other countries. It's also one of the most densely populated countries in the world. All these factors combine to make upgrading its telecom network difficult and expensive.
In Canada, the second largest country by area, fiber-optic cable connects all major cities. The majority of homes and businesses are connected to the internet via one of two types of fiber-optic cables: single-mode fiber or multi-mode fiber. These categories differ only in the number of wavelengths (separate streams of light) that can travel down each strand of fiber. Multi-mode fibers allow for more traffic to be transmitted at once because they can carry several signals at different frequencies through them. Single-mode fibers are less efficient but can transmit more data due to their exclusive use by telephone companies.
In North America, telecom providers must obtain permission from government agencies to install new communications facilities on public land.
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