This Chicago installation runneth over

You might not need a sudsy bathbut you will need a rinseafter a visit to a new interactive installation by the London-based sculptor Roger Hiorns, located in a lakeside park at Chicagos Navy Pier landmark. The work, A retrospective view of the pathway, is made of three huge stainless-steel tanks that erupt with a non-toxic, biodegradable detergent foam. Visitors are welcome to frolic in the froth that spills out of the tanks onto the surrounding grass. The work was unveiled on 21 June as part o