Another episode of 'Secrets...' this time, we went up to Scotland, to ride on the brilliant Glasgow Subway system with its fifteen stops to see what things we could spot that you might not have known about or missed.

And having done all this, it should all change in the next few yeasr when the whole Subway is upgraded again with new trains, read about that here: http://www.spt.co.uk/subway/modernisa...