| 1. |  | Cloud Gate, polishing, May 19, 2005 | Steel; Scaffolding; Construction workers; Grinding; Tents; Reflections; Marks (Symbols); | A worker grinds the sculpture using a platen sander (a.k.a an air-driven ten pound belt sander). After being ground with 40-grit sandpaper disks, the road grader was applied to the sculpture's surface,... |
