Nick Crane explores the wealth of wildlife and industry that are attracted to the Firth of Forth, the might estuary that feeds Edinburgh. Tessa Dunlop reveals how the Victorian zeal for cleanliness turned the Thames into a giant self-flushing toilet bowl. Mark Horton discovers the astonishing struggle to build a rail tunnel deep under the Severn estuary between England and Wales, a challenge that was finally accomplished in 1886.
| Name | Type | Role | |
|---|---|---|---|
| Mark Horton | Writer | ||
| Tessa Dunlop | Writer | ||
| Nicholas Crane | Writer |