Uploaded December 2018 | Updated September 2026, 3 weeks ago

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In the third of our Hidden Rivers series, we dispatch Matt Brown to south London to pick up the trail of the Peck - buried and hidden below ground level... or is it?

London's Lost Rivers Playlist: youtube.com/playlist?list=PLz1JuTRxlXhIR2yypIR0g5b7YdAuebOKS