Exploring Glasgow's secret 'ghost station'
18 February 2017 Last updated at 23:13 GMT
A disused and forgotten platform beneath Glasgow Central station offers a glimpse of the past.
Guided tours of the tunnels have attracted thousands of people over the past couple of years.
But plans are afoot to try and restore part of the platform to how it looked in its heyday.
Paul Lyons of Glasgow Central Tours took BBC News on a tour of Glasgow's ghost station.
Video journalist: Dan Curtis. Producer: Verity Wilde.