Creative State - Volkswagen converted a set of steps at the Odenplan subway station on Stockholm into working "piano" stairs. This led commuters to choose the stairs instead of the of using
![File:Piano-busking kid watches TV to entertain himself, subway platform, New York City, NY, USA (32300049594).jpg - Wikimedia Commons File:Piano-busking kid watches TV to entertain himself, subway platform, New York City, NY, USA (32300049594).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Piano-busking_kid_watches_TV_to_entertain_himself%2C_subway_platform%2C_New_York_City%2C_NY%2C_USA_%2832300049594%29.jpg/2560px-Piano-busking_kid_watches_TV_to_entertain_himself%2C_subway_platform%2C_New_York_City%2C_NY%2C_USA_%2832300049594%29.jpg)
File:Piano-busking kid watches TV to entertain himself, subway platform, New York City, NY, USA (32300049594).jpg - Wikimedia Commons
![Piano Stairs and Escalators in the Mexico City Subway Editorial Image - Image of city, tourism: 211364810 Piano Stairs and Escalators in the Mexico City Subway Editorial Image - Image of city, tourism: 211364810](https://thumbs.dreamstime.com/z/piano-stairs-escalators-mexico-city-subway-low-angle-view-keys-middle-two-people-going-down-tunnel-like-passage-211364810.jpg)
Piano Stairs and Escalators in the Mexico City Subway Editorial Image - Image of city, tourism: 211364810
![A subway passenger walks up stairs designed as real piano keys at the Polanco subway station in Mexico City, September 8, 2014. Each individual step produces sounds similar to each key on A subway passenger walks up stairs designed as real piano keys at the Polanco subway station in Mexico City, September 8, 2014. Each individual step produces sounds similar to each key on](https://c8.alamy.com/comp/2CX31Y6/a-subway-passenger-walks-up-stairs-designed-as-real-piano-keys-at-the-polanco-subway-station-in-mexico-city-september-8-2014-each-individual-step-produces-sounds-similar-to-each-key-on-a-piano-the-initiative-aims-to-promote-the-use-of-conventional-stairs-and-physical-activity-reutersedgard-garrido-mexico-tags-society-health-2CX31Y6.jpg)