Decoration:How did They Build That? —— Underground Spaces
In this programme, we travel to Norway to see the largest rock cavern in the world in public use and visit the deepest excavation ever undertaken in London as it nears completion. But we start at the deepest mine in Western Europe, on the North East coast of England.
- Added:2006
- Country:Britain
- Duration:30
- Time of update:2011/8/16 15:48:37