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Quick answer：Installation art is a form of art that often combines various materials and elements in a site-specific manner. It is characterized by its three-dimensional nature and often engages with the viewer's space. These pieces can range from large-scale sculptures to immersive environments, and often carry conceptual or political messages. Notable installation artists include Yayoi Kusama, Christo and Jeanne-Claude, and Ai Weiwei.
