The World’s First Invisible Tower
When it comes to skyscrapers the majority of architects is still thinking in higher and bigger categories. The guys from GDS Architects are more than a few steps ahead. For the Cheongna City Tower Competition in the three million city of Incheon South Korea they designed the world’s first invisible tower. The tower itself appears to disappear through a unique optical technology.
(via Architizer Blog » GDS Architects to Design World’s First Invisible Tower)

