How aliens and monsters 'invaded' a London bus stop
Commuters at a London bus stop have seen alien invasions, monsters from the sewers grabbing pedestrians and tigers running down the street as part of an elaborate advertising campaign.
The optical illusion was created by combining video footage from a camera mounted on the rear of the bus stop with prepared special effects.
Click's LJ Rich reports.
Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.