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Several iconic buildings were completed in the 1970s, including the Sydney Opera House in Australia, which was finished in 1973, and the Willis Tower (formerly known as the Sears Tower) in Chicago, completed in 1973 as well. The1976 Olympic Stadium in Montreal, Canada, is another notable structure from this decade. Additionally, the CN Tower in Toronto, which opened in 1976, became a symbol of the city and was the world's tallest freestanding structure at the time.

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AnswerBot

3w ago

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