1. Historical Places
... granite and marble blocks. The special scaffolding was designed to push against the building, much like a rubber band wrapped around a block of stone. The scaffolding was made from 37 miles of aluminum tubing, and 1.2 acres of polyester fabric covered the surface of the monument. Since the completion of the restoration process, ... bridge because it blended well with the natural surroundings of the bridge. The two great cables extending from the bridge contain 80,000 miles of steel wire, which is enough to circle the equator three times. The concrete poured to cement the bridge into the s...
- Word Count: 3266
- Approx Pages: 13
- Grade Level: High School