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China Just Built a 57-Story Tower in Less Than Three Weeks

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Broad Sustainable Building, the same company that promised to build the world's tallest skyscraper in 90 days, has released a new video of a smaller but still kind of mindblowing feat: building a 57-floor tower in just 19 days.

Sploid breaks down the info they received from Xian Min Zhang, an architect with the company:

This building has 19 10-meter-high atriums, 800 apartments, and office space for 4,000 people. Zhang claims that the use of modules reduced the use of concrete by 15,000 trucks, which he says almost eliminated all the release of dust in the air, an important advantage in pollution-ridden China. Talking about pollution: He claims that all of the air inside is 99.9% pure thanks to the tight construction and built-in air conditioning system. The building has quadruple-pane glass and, he says, is so energy efficient it will save 12,000 tons of CO2 emission compared to a building of the same size and use. The key to Broad's building speed—a reported three stories a day—is the modular blocks they use.

Here's a timelapse, in GIF form.

Looks pretty lively inside!

Watch the spasmodically edited video in full below.

· Wow, China builds complete 57-story skyscraper in record 19 days [Sploid]
· China Just 3D-Printed a Five-Story Building Like It's No Big Deal [Curbed National]