TV-PG
S21 • E2 Jan 10, 2002 49mThe Iron Bridge is an icon of the Industrial Revolution - the world's first metal structure and an outstanding example of 18th-Century British technical ingenuity. Yet, incredibly, no-one knows how this vast aerial jigsaw spanning the river Severn in Shropshire was actually constructed. Timewatch sets talented young engineer Jamie Hillier the task of solving the mystery.
