Acetate film an exhaust fan lollipops a bicycle paper and pensin Group Efforts Changing Public Space vital voices in art and design use everyday objects to transform surroundings in remarkable ways. An illustrated chronicle of projects organized by the Graduate School of Architecture Planning and Preservation at Columbia University in collaboration with Elastic City this volume contains interviews with Todd Shalom and Hayal Pozanti who assemble new shapes from Manhattans West Village streetscap