As a 170-kilometre-long mirrored megacity in the Saudi desert makes headlines around the world, here is a roundup of 10 futuristic cities currently being planned across the globe.
Global issues such as the housing crisis and climate change are galvanising ambitions for a new generation of high-tech cities.
The Line, a 500-metre-tall skyscraper that will house nine million people in northwestern Saudi Arabia, as shown in this video, is the most recent example but not the only one.
Below are 10 ambitious cities set to be built in the coming decades:
The Saudi Arabian government this week unveiled visuals for a 170-kilometre-long, 500-metre-tall linear city planned as part of the Neom mega-development.
Despite its length and expected population of nine million, The Line will be just 200 metres wide with a transport system promised to connect the two ends within 20 minutes.
The city was designed as an alternative to the traditional circular urban layout, with Saudi crown prince Mohammed bin Salman touting it as “a model for nature preservation and enhanced human livability”.
The project is the idea of billionaire entrepreneur Marc Lore, who hopes it will become “the most sustainable city in the world”.
Part of Lore’s vision is that the land will be owned by a community endowment, meaning increases in value could fund the city’s development with resident welfare as the priority.
BIG is also master planning BiodiverCity, a 1,821-hectare development of three artificial islands built off the shore of Malaysia’s Penang Island for the state government.
Each lily-pad-like island is expected to house 15,000 to 18,000 residents and be connected by an autonomous transport network with no cars.
Buildings will be mainly constructed using a combination of bamboo, timber and concrete produced from recycled materials, with an ecological buffer around each district to support biodiversity.
Egypt is building an entirely new capital city for up to seven million people in order to relieve congestion in rapidly growing Cairo, its current capital.
Architecture firm SOM produced a masterplan for the privately funded project, which will cover 700 square kilometres and feature one of the world’s largest urban parks.
Indonesia’s government has also announced major plans to build a new capital city on the island of Borneo. Its existing capital Jakarta is the world’s fastest-sinking city, having sunk by 2.5 metres in the 10 years to 2019.
Set on the banks of the River Krishna, the city of Amaravati will act as the new capital for the Andhra Pradesh state in India.
It will be arranged around a needle-topped government building and see more than 60 per cent of its central district occupied by greenery or water.
“The design brings together our decades-long research into sustainable cities, incorporating the latest technologies that are currently being developed in India,” said Foster + Partners, which is also master planning large neighbourhoods in Ho Chi Minh and Bangkok.
It will be designed to house 130,000 people in affordable, plant-covered homes and aims to pioneer a more sustainable way of city living.
“Smart Forest City Cancun is a botanical garden within a contemporary city, based on Mayan heritage and in its relationship with the natural and sacred world,” said Boeri’s studio. “An urban ecosystem where nature and city are intertwined and act as one organism.”
The Orbit is another planned smart city, intended to transform a Canadian farming town through extensive use of fibre optics, drones and autonomous vehicles, with development decisions based on big data.
Toronto firm Partisans has described its design as a modern version of the garden city movement that emerged in the UK in the early 20th century.
It aims to balance new technologies with the existing agrarian setting while growing the town from 30,000 to 150,000 residents.
Rising sea levels due to climate change mean much of The Maldives is expected to be uninhabitable by 2050. In response, the country’s government has partnered with architecture practice Waterstudio to design a floating city that will house 20,000 people in a lagoon near its capital as soon as 2024.
Billed by the architects as “the world’s first true floating island city”, it will include 5,000 low-rise floating homes and be built on a series of hexagonal structures that rise with the sea.
Another prototype climate-resilient floating city is being designed by Danish studio BIG together with Samoo and tech company Oceanix for the seas off Busan in South Korea.
Dutch architecture firm OMA has produced a car-free masterplan for the capital of China’s Sichuan province that it claims challenges conventional urban planning models that are driven by road networks or maximising gross floor area.
Set to occupy a 4.6 square kilometre site, Chengdu Future City will instead focus on the land’s rolling topography, with six distinct zones designed to blend in with the surrounding landscape.
All buildings within each zone will be accessible by foot within 10 minutes, while a “smart mobility network” utilising automated vehicles will connect the city to the rest of Chengdu.
With the help of architecture studios Ehrlich Yanai Rhee Chaney Architects and Tom Wiscombe Architecture, he intends to transform the 27,113-hectare plot into a community where people can bank, vote and store data without involvement from governments or third parties.
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