| 1. |  | Cloud Gate, fabrication, December 17, 2002 | Structural frames; Metalworking; | Close-up of a section of the sub-frame structure during fabrication. The sub-frame sections were attached directly to the back of each of the curved plates that later would form the mirror-like "skin"... |
| 2. |  | Cloud Gate, fabrication, sub-frame grid, April 22, 2003 | Structural frames; Dollies (Moving equipment); Industrial facilities; | A section of the steel sub-frame during fabrication. The sections of the sub-frame were attached directly to the back of each of the curved plates that would form the mirror-like "skin" of the sculpture.... |
