I recommend listening to Clive James' wonderful Point of View segment from Radio 4 (2009): https://soundcloud.com/pointofview-clivejames/london-underground http

I recommend listening to Clive James' wonderful Point of View segment from Radio 4 (2009): https://soundcloud.com/pointofview-clivejames/london-underground https://soundcloud.com/pointofview-clivejames/london-undergr... It's only about 10 minutes. Very tongue in cheek, but people really are doing this.