Concertina Skyscraper David Giraldeau and Alexandre Guilbeault

David Giraldeau and Alexandre Guilbeault’s competition entry challenges the inefficiency of a skyscraper by proposing collapsible towers that can be stored when not in use, that way the city’s skyline becomes dynamic and three-dimensional reflecting the fluctuation of work and activity throughout the day.

Arch2o-Concertina Skyscraper - David Giraldeau and Alexandre Guilbeault (3)

Courtesy of  David Giraldeau and Alexandre Guilbeault

One thing that is interesting about this idea is that buildings would, in theory, never be empty; that would be inefficient.

Arch2o-Concertina Skyscraper - David Giraldeau and Alexandre Guilbeault (5)

Courtesy of  David Giraldeau and Alexandre Guilbeault

What is also intriguing is the fact that an idea like this has not been applied yet, for our world is very efficiency-driven, especially in dense cities where efficiency is not just favored but rather essential.

Arch2o-Concertina Skyscraper - David Giraldeau and Alexandre Guilbeault

Courtesy of  David Giraldeau and Alexandre Guilbeault

This proposal opens up possibilities and directs our attention to the inefficiency of the skyscrapers of today, especially when considering how the world is getting more and more populated and cities are getting denser and denser.

Architects:  David Giraldeau and Alexandre Guilbeault

By Aiysha Alsane

Courtesy of  David Giraldeau and Alexandre Guilbeault

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