This Broadcast
Secrets of the London Underground
07:10 am - 08:00 am Sunday, September 20
U&Yesterday
27
Holborn
Season 1 · Episode 1
Tim Dunn and Siddy Holloway explore the abandoned branch line between Holborn and Aldwych, and at Holloway Road they find out about the Tube's only spiral escalator
HD
subtitles
16x9
audio-description
Documentary
News/Current Affairs
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