| The Oklahoma City Underground is a tunnel | | | | underground network was lined with restaurants, |
| system running beneath a 20-square-block-area in | | | | shops and offices. The Concourse declined in |
| Downtown OKC, connecting 30 important buildings | | | | popularity as the last oil boom ended. A major |
| in the area. One of the most extensive enclosed | | | | renovation to the tune of $2 million was carried |
| pedestrian systems in the United States, covering | | | | out from 2006 to 2007, following which it was |
| three-quarters of a mile, the OKC Underground | | | | renamed the Underground. This facelift was |
| was formerly called the Oklahoma City Concourse | | | | carried out under the direction of architect Rand |
| after founder Jack Conn, a prominent banker of | | | | Elliott who transformed the dated looks of the old |
| the time. Originally built in 1931, the tunnel was | | | | tunnels into something much more presentable to |
| reconstructed between 1972 and 1974. | | | | the modern world, resembling a âwork of |
| Once an integral part of life in Oklahoma City, the | | | | artâ. |