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Viral video: People choose piano stairs over escalator in Volkswagen's experiment in Sweden | Viral News, Times Now
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Taking stairs is now fun! 'Piano Staircase' experiment works, wins hearts. Find out what it is - World News
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Creative Piano Stairs for Pedestrians in Hangzhou, China – Interior Design, Design News and Architecture Trends
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Proposal and Kansei Evaluation of a Garbage Can to Change Human Behaviour Based on Fun Theory | SpringerLink
The Fun Theory | The Fun Theory - an initiative of Volkswagen. This is one of a series of experiments for a new brand campaign of VW. Have a look - the
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