Final answer:
Postmodernism in architecture is characterized by bricolage, collage, appropriation, and the fusion of different styles and themes from the past into contemporary buildings. A good example of Postmodernism in the 1980s is the Beaubourg Center in Paris.
Step-by-step explanation:
Postmodernism in architecture is characterized by bricolage, collage, appropriation, and the fusion of different styles and themes from the past into contemporary buildings. It also emphasizes the breaking down of barriers between different art forms and the use of mixed media in sculptural works. A good example of Postmodernism in the 1980s is the Beaubourg Center in Paris, designed by Renzo Piano, Richard Rogers, and Gianfranco Franchini. This building showcases the deconstructive ideas of Postmodernism with its inside-out structure and exposed mechanical systems on the exterior.