From Norman to Victorian times, explore the strange forts, mines, caves, rivers and much more, all previously hidden from our eyes. From Liverpool's extraordinary Williamson tunnels to disused passages under the Thames, see a side of the past rarely mentioned in the history books! |
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Title: | Hidden History | |
Air Date: | No date | |
Runtime: | 55 min | |
Alien : If nothing was ever removed or changed then they would just be the originals.