Defying gravity: an epic stunt at the Guggenheim Bilbao

When the Guggenheim Bilbao museum opened 20 years ago it was described by many as a starship from outer space. Its swirling roof is made of paper-thin titanium tiles—33,000 of them—covering the building like fish scales. At the time, it was such a novelty that the museum had to commission a chemical laboratory to produce a custom liquid to clean the titanium! Guggenheim B ...Read the full article