| 1. |  | Crown Fountain, construction of north tower, May 20, 2004 | Structural systems; Hoisting machinery; Construction workers; Faces; Lighting; Glass blocks; Structural frames; Skyscrapers; Tents; Trees; Trailers; Crates; | Workers guide a piece of steel into place atop Crown Fountain's north tower. Buildings visible in the background include the Smurfit-Stone Building and Two Prudential Plaza. |
