Concept no.13 Harm Van Der Wal, 1977, 7'39'' Unable to play video - your browser does not support any of the available video types. add to playlist remove from playlist order Date: 1977 Length: 7'39'' Type: Video Copyrights: All rights reserved (c) LIMA Genre: conceptual, performance (artwork genre) Keywords: registration (technique), space related artists Harm Van Der Wal 1950