Álvaro Siza explains how he created the swooped concrete roof of the pavilion he designed for the 1998 Expo in Lisbon in this exclusive movie.

Located at the mouth of the Tagus River in the Portuguese city, the Expo'98 Portuguese National Pavilion was built to form the main entrance to the World Exposition, which took place in 1998.

The Pritzker Prize-winning architect's brief was to create spaces for receiving head of states and a big outdoor area for large gatherings, however the building's future use was unknown.

"I was designing a building that would be an office building or a museum and should be prepared for that, which makes [designing] difficult... we missed things that conducted to character in a building," he told Dezeen.
Read more on Dezeen: https://www.dezeen.com/"p=1390213

WATCH NEXT: Interview: Álvaro Siza discusses 611 West 56th Street - https://youtu.be/HCKgHbBiUOU

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