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The museum’s exterior, clad in titanium, offers durability against Bilbao's weather while being significantly lighter than steel. Interestingly, the titanium panels were manufactured in Pittsburgh, showcasing a global collaboration in construction. Praised by many architects as one of the greatest buildings of the modern era, the Guggenheim was completed on time and on budget—an impressive feat given its scale and complexity.
Art installations outside the museum, including "Maman," a gigantic spider, and "Puppy," a colorful floral sculpture of a dog, enhance the creative atmosphere. Additionally, notable architectural landmarks in the vicinity include the Zubizuri Bridge, designed by Santiago Calatrava, and the modern Bilbao Municipal Library.