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Quick answer：An art installation, also known as a site-specific work, is a form of contemporary art that is designed to be experienced in situ. It often involves a combination of various materials and elements to create an immersive experience for the viewer. The term 'su' is not a standard abbreviation for 'art installation' and might be part of a specific title or context. In general, art installations can range from small, temporary pieces to large, permanent sculptures or environments.
