| 61. |  | BP Bridge, wooden planking, November 14, 2003 | Structural frames; Cantilever construction; Hoisting machinery; Skyscrapers; | Pieces of subframing for the BP Bridge are stacked on the waterproofed concrete foundation ramp, and an area of wooden planking is visible behind. The trellis and headdress of the Jay Pritzker Pavilion,... |