Photographs: Lisi Niesner/Reuters
Skyscrapers typically take a long time to build. The top 20 tallest (currently completed) towers in the world took, on average, 5.3 years to construct, according to The Economist.
But a company in China called Broad Sustainable Building, with a track record of putting up buildings in a jiffy, is now planning to construct the world's tallest building - 838 metres - in just 90 days, it says.
Let's have a look at 20 most amazing skyscrapers in the world.
Source: The Economist
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20 most amazing skyscrapers in the world
Image: Central Plaza in Hong Kong.Photographs: Source: openbuildings.com
Central Plaza
City: Hong Kong
Country: Hong Kong
Year of completion: 1992
Height of tower: 374 (metres)
Construction time: 3 (years)
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20 most amazing skyscrapers in the world
Image: Elite Residence in Dubai.Photographs: Source: skyscrapercity.com
Elite Residence
City: Dubai
Country: The United Arab Emirates
Year of completion: 2012
Height of tower: 380 (metres)
Construction time: 6 (years)
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20 most amazing skyscrapers in the world
Image: Empire State Building, centre, in New York.Photographs: Gary Hershorn/Reuters
Empire State Building
City: New York
Country: The United States of America
Year of completion: 1931
Height of tower: 381 (metres)
Construction time: 1 (years)
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20 most amazing skyscrapers in the world
Image: Shun Hing Square in Shenzhen, Guangdong province, China.Photographs: Bobby Yip/Reuters
Shun Hing Square
City: Shenzhen
Country: China
Year of completion: 1996
Height of tower: 384 (metres)
Construction time: 3 (years)
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20 most amazing skyscrapers in the world
Photographs: Source: architecture.about.com
CITIC Plaza
City: Guangzhou
Country: China
Year of completion: 1997
Height of tower: 391 (metres)
Construction time: 4 (years)
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20 most amazing skyscrapers in the world
Image: 23 Marina in Dubai.Photographs: Source: dubaiw.net
23 Marina
City: Dubai
Country: The United Arab Emirates
Year of completion: 2012
Height of tower: 392.8 (metres)
Construction time: 7 (years)
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20 most amazing skyscrapers in the world
Photographs: Source: Mohdalg/Wikimedia Commons
Al Hamra Tower
City: Kuwait
Country: Kuwait
Year of completion: 2011
Height of tower: 412.6 (metres)
Construction time: 6 (years)
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20 most amazing skyscrapers in the world
Image: Trump International Hotel and Tower in Chicago.Photographs: Jeff Haynes/Reuters
Trump International Hotel and Tower in Chicago
City: Chicago
Country: The United States of America
Year of completion: 2009
Height of tower: 360 (metres)
Construction time: 7 (years)
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20 most amazing skyscrapers in the world
Image: Princess Tower in Dubai.Photographs: Source: Citizen59/Wikimedia Commons
Princess Tower
City: Dubai
Country: The United Arab Emirates
Year of completion: 2003
Height of tower: 414 (metres)
Construction time: 4 (years)
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20 most amazing skyscrapers in the world
Image: International Finance Centre in Hong Kong.Photographs: Source: WiNG/Wikimedia Commons
International Finance Centre
City: Hong Kong
Country: Hong Kong
Year of completion: 2003
Height of tower: 405 (metres)
Construction time: 3 (years)
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20 most amazing skyscrapers in the world
Image: Guangzhou International Finance Center in Guangzhou, China.Photographs: Source: Wikimedia Commons
Guangzhou International Finance Center
City: Guangzhou
Country: China
Year of completion: 2010
Height of tower: 440 (metres)
Construction time: 4 (years)
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20 most amazing skyscrapers in the world
Image: Kingkey 100 in Shenzhen, China.Photographs: Source: JHH755/Wikimedia Commons
Kingkey 100
City: Shenzhen
Country: China
Year of completion: 2011
Height of tower: 441.8 (metres)
Construction time: 4 (years)
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20 most amazing skyscrapers in the world
Image: Willis Tower in Chicago.Photographs: Source: skyscrapercity.com
Willis Tower
City: Chicago
Country: The United States of America
Year of completion: 1974
Height of tower: 442 (metres)
Construction time: 4 (years)
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20 most amazing skyscrapers in the world
Image: Zifeng Tower in Nanjing, China.Photographs: Source: Quentin Scouflaire/Wikimedia Commons
Zifeng Tower
City: Nanjing
Country: China
Year of completion: 2010
Height of tower: 450 (metres)
Construction time: 5 (years)
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20 most amazing skyscrapers in the world
Image: Petronas Towers in Kuala Lumpur, Malaysia.Photographs: Source: Guyfrombronx/Wikimedia Commons
Petronas Towers
City: Kuala Lumpur
Country: Malaysia
Year of completion: 1998
Height of tower: 451.9 (metres)
Construction time: 6 (years)
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20 most amazing skyscrapers in the world
Image: Shanghai World Financial Center.Photographs: Source: Ferox Seneca/Wikimedia Commons
Shanghai World Financial Center
City: Shanghai
Country: China
Year of completion: 2008
Height of tower: 492.0 (metres)
Construction time: 11 (years)
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20 most amazing skyscrapers in the world
Image: Taipei 101 in Taiwan.Photographs: Source: Wikimedia Commons
Taipei 101
City: Taipei
Country: Taiwan
Year of completion: 2004
Height of tower: 509 (metres)
Construction time: 5 (years)
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20 most amazing skyscrapers in the world
Image: Makkah Clock Royal Tower in Saudi Arabia.Photographs: Source: Faheem siddiq/Wikimedia Commons
Makkah Clock Royal Tower
City: Mecca
Country: Saudi Arabia
Year of completion: 2012
Height of tower: 601 (metres)
Construction time: 8 (years)
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20 most amazing skyscrapers in the world
Image: Burj Khalifa in Dubai.Photographs: Ahmed Jadallah/Reuters
Burj Khalifa
City: Dubai
Country: The United Arab Emirates
Year of completion: 2010
Height of tower: 828 (metres)
Construction time: 6 (years)
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20 most amazing skyscrapers in the world
Image: Sky City One in Changsha, China.Photographs: Source: webodysseum.com
Sky City One
City: Changsha
Country: China
Year of completion: Under planning
Height of tower: 838 (metres)
Construction time: 90 days (proposed)
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