It's happening in London. There are pigeons who ride the London underground for years now ( http://london-underground.blogspot.com/2003_12_01_london-underground

It's happening in London. There are pigeons who ride the London underground for years now ( http://london-underground.blogspot.com/2003_12_01_london-underground_archive.html http://london-underground.blogspot.com/2003_12_01_london-und... ), and here's a recent photo of a fox on a London Underground Escalator. http://www.metro.co.uk/weird/805065-tube-fox-tries-to-take-a-ride-on-the-london-underground http://www.metro.co.uk/weird/805065-tube-fox-tries-to-take-a...