Dubbed a "nested skyscraper," this building is a concept design which is intended to be particularly good at resisting the effects of earthquakes and other natural disasters. What really gets my attention though is that robots are required for construction.

Yes, it looks flimsy, but the elaborate design by architects Ryohei Koike and Jarod Poenisch is one heck of a solid structure:

Building this structure involves a series of robots that stretch over a network of
carbon sleeves sprayed with fiber-laced concrete. A second set of robots wraps
the structure with a steel mesh to allow for lateral movements and can increase
or decrease its density according to structural and programmatic needs.

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It would be great to live in one of these and forget about climate and natural disaster worries, but I doubt I could after imagining the freaky robot-spider hybrids that might build it. [DesignBoom]