Construction outside the ICD Brookfield Place building on Al Mustaqbal Street, Dubai Photo: Reem Mohammed/The National
The new Jian Mu tower which is set to open in China later this year has been described as a "farmscraper". Photo: Carlo Ratti Associati
Hundreds of thousands of people would travel by drone from tower to tower according to proposals for The Link, a self sustainable vertical city project. Courtesy: Luca Curci
Luca Curci, the architect behind The Link which is a 750-metre high vertical city forest in the heart of overcrowded cities. Courtesy: Luca Curci
Dubai's Burj Khalifa is the world's tallest building at 829.8 metres high. AFP
Willis Tower, formerly Sears Tower, was the tallest building in the world until 1998. To this day, it is the tallest property in Chicago. AFP
A view of the Transamerica Pyramid building on August 19, 2019 in San Francisco, California. It was completed in 1972 and was the tallest building in San Francisco until 2018. AFP
Kuwait's tallest building is Al Hamra Tower, left. AFP
The $5.7 billion Marina Bay Sands hotel and resort, left, (L) is world-renowned and frequently tops world's most beautiful skyscraper lists. AFP
The Evolution Tower is in Moscow, Russia. Formerly known as Wedding Palace and City Palace, its twisted, futuristic form designed by British architect Tony Kettle is what makes it stand out. Getty Images
While Torre Glories only has 38 stories, it has famously redefined the Barcelona skyline. Alamy Stock Photo
Formerly known as London Bridge Tower, the Shard is a 72-storey skyscraper that's become one of the most recognisable buildings on the English capital's skyline. AFP
Bahrain World Trade Centre was the first skyscraper in the world to integrate wind turbines and has even won awards for sustainability. AFP
Kingdom Centre Tower in Riyadh is the world's third-tallest building with a hole in it. Getty Images
The Taipei 101, formerly known as the Taipei Financial Centre, is Taiwan's tallest building, and was the world's tallest until 2009. AFP
The Petronas Twin Towers in Kuala Lumpur were for six years the tallest in the world, until 2004. AFP
Shanghai Tower in Pudong area, Shanghai is the tallest building in China and the world's second tallest building. EPA
The Chrysler Building has been a key part of the New York City skyline for more than 90 years. Between 1930 and 1931, it was actually the world's tallest building. AFP
The China Central Television Tower is in the central business district in Beijing. It's referred to as an 'anti-skyscraper' because of its unique design. AFP
The Bank of China Tower in Hong Kong was designed by Pritzker Prize-winning Chinese-American architect I M Pei and the triangular glass building was for a few years the tallest building in the world outside the US. Getty Images
Home to three schools, Tokyo's Mode Gakuen Cocoon Tower boasts a unique cocoon-inspired design. Getty Images
Hotel & Casino Grand Lisboa in Macau boasts unique lotus flower-shaped architecture. AFP
The Turning Torso in Malmo, Sweden is the tallest building in Scandinavia, but it was also the world's first "twisting" tower. AFP
30 St Mary Axe is a 41-storey office tower that cost £138m to make. Getty Images
The Shanghai World Financial Centre is among the top 15 tallest buildings in the world and among the top 10 in China. AFP
Istanbul Sapphire Tower is among the Turkish city's tallest buildings and was formerly its tallest until 2016. Getty Images
The Lotte Corp. World Tower is the tallest building in South Korea, and the fifth-tallest in the world. Getty Images
The Ryugyong Hotel is the world's tallest unoccupied building. It's based in Pyongyang, North Korea. AFP
The Gran Torre Santiago, formerly known as Torre Gran Costanera, part of the Costanera complex, is the tallest skyscraper in South America. Getty Images
Dubai's Burj Al Arab is the tallest all-suite hotel in the world, one of the most recognisable buildings in the Middle East and only 60m shorter than the Empire State Building. AFP
New York's One World Trade Centre is the tallest building America and the Western Hemisphere, and the sixth-tallest in the world. Getty Images
For 40 years, the steel-framed, 103-storey Empire State Building was the tallest in the world, until 1971, and remains to this day one of the best examples of Modernist Art Deco design. AFP
The 75-storey corporate headquarters of the Abu Dhabi National Oil Company, designed by HOK. Reuters
Construction outside the ICD Brookfield Place building on Al Mustaqbal Street, Dubai Photo: Reem Mohammed/The National
The new Jian Mu tower which is set to open in China later this year has been described as a "farmscraper". Photo: Carlo Ratti Associati
Hundreds of thousands of people would travel by drone from tower to tower according to proposals for The Link, a self sustainable vertical city project. Courtesy: Luca Curci
Luca Curci, the architect behind The Link which is a 750-metre high vertical city forest in the heart of overcrowded cities. Courtesy: Luca Curci
Dubai's Burj Khalifa is the world's tallest building at 829.8 metres high. AFP
Willis Tower, formerly Sears Tower, was the tallest building in the world until 1998. To this day, it is the tallest property in Chicago. AFP
A view of the Transamerica Pyramid building on August 19, 2019 in San Francisco, California. It was completed in 1972 and was the tallest building in San Francisco until 2018. AFP
Kuwait's tallest building is Al Hamra Tower, left. AFP
The $5.7 billion Marina Bay Sands hotel and resort, left, (L) is world-renowned and frequently tops world's most beautiful skyscraper lists. AFP
The Evolution Tower is in Moscow, Russia. Formerly known as Wedding Palace and City Palace, its twisted, futuristic form designed by British architect Tony Kettle is what makes it stand out. Getty Images
While Torre Glories only has 38 stories, it has famously redefined the Barcelona skyline. Alamy Stock Photo
Formerly known as London Bridge Tower, the Shard is a 72-storey skyscraper that's become one of the most recognisable buildings on the English capital's skyline. AFP
Bahrain World Trade Centre was the first skyscraper in the world to integrate wind turbines and has even won awards for sustainability. AFP
Kingdom Centre Tower in Riyadh is the world's third-tallest building with a hole in it. Getty Images
The Taipei 101, formerly known as the Taipei Financial Centre, is Taiwan's tallest building, and was the world's tallest until 2009. AFP
The Petronas Twin Towers in Kuala Lumpur were for six years the tallest in the world, until 2004. AFP
Shanghai Tower in Pudong area, Shanghai is the tallest building in China and the world's second tallest building. EPA
The Chrysler Building has been a key part of the New York City skyline for more than 90 years. Between 1930 and 1931, it was actually the world's tallest building. AFP
The China Central Television Tower is in the central business district in Beijing. It's referred to as an 'anti-skyscraper' because of its unique design. AFP
The Bank of China Tower in Hong Kong was designed by Pritzker Prize-winning Chinese-American architect I M Pei and the triangular glass building was for a few years the tallest building in the world outside the US. Getty Images
Home to three schools, Tokyo's Mode Gakuen Cocoon Tower boasts a unique cocoon-inspired design. Getty Images
Hotel & Casino Grand Lisboa in Macau boasts unique lotus flower-shaped architecture. AFP
The Turning Torso in Malmo, Sweden is the tallest building in Scandinavia, but it was also the world's first "twisting" tower. AFP
30 St Mary Axe is a 41-storey office tower that cost £138m to make. Getty Images
The Shanghai World Financial Centre is among the top 15 tallest buildings in the world and among the top 10 in China. AFP
Istanbul Sapphire Tower is among the Turkish city's tallest buildings and was formerly its tallest until 2016. Getty Images
The Lotte Corp. World Tower is the tallest building in South Korea, and the fifth-tallest in the world. Getty Images
The Ryugyong Hotel is the world's tallest unoccupied building. It's based in Pyongyang, North Korea. AFP
The Gran Torre Santiago, formerly known as Torre Gran Costanera, part of the Costanera complex, is the tallest skyscraper in South America. Getty Images
Dubai's Burj Al Arab is the tallest all-suite hotel in the world, one of the most recognisable buildings in the Middle East and only 60m shorter than the Empire State Building. AFP
New York's One World Trade Centre is the tallest building America and the Western Hemisphere, and the sixth-tallest in the world. Getty Images
For 40 years, the steel-framed, 103-storey Empire State Building was the tallest in the world, until 1971, and remains to this day one of the best examples of Modernist Art Deco design. AFP
The 75-storey corporate headquarters of the Abu Dhabi National Oil Company, designed by HOK. Reuters
Construction outside the ICD Brookfield Place building on Al Mustaqbal Street, Dubai Photo: Reem Mohammed/The National