One Central Park, Sydney

World's tallest green facade
Sydney, Australia
Hydroponic gardens are just the first of many biomimicry technologies underpinning this futuristic complex. Rob Deutscher via Flickr/CC BY 2.0

The 381-foot-tall One Central Park in Sydney, Australia, incorporates two unique technologies: A hydroponic garden made up of 383 species that hugs the building’s exterior, and 42 heliostats, mirrors that passively direct solar energy away from apartment windows and onto shaded spaces.

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