![Pedestrians Walk Piano Stairs Can Produce Melodious Sounds Subway Station – Stock Editorial Photo © ChinaImages #244465882 Pedestrians Walk Piano Stairs Can Produce Melodious Sounds Subway Station – Stock Editorial Photo © ChinaImages #244465882](https://st4.depositphotos.com/21607914/24446/i/1600/depositphotos_244465882-stock-photo-pedestrians-walk-piano-stairs-can.jpg)
Pedestrians Walk Piano Stairs Can Produce Melodious Sounds Subway Station – Stock Editorial Photo © ChinaImages #244465882
![Pedestrians walk on the piano stairs that can produce melodious sounds at a subway station in Nanjing, east Chinas Jiangsu province, 1 September 2011 Stock Photo - Alamy Pedestrians walk on the piano stairs that can produce melodious sounds at a subway station in Nanjing, east Chinas Jiangsu province, 1 September 2011 Stock Photo - Alamy](https://c8.alamy.com/comp/W99W3B/pedestrians-walk-on-the-piano-stairs-that-can-produce-melodious-sounds-at-a-subway-station-in-nanjing-east-chinas-jiangsu-province-1-september-2011-W99W3B.jpg)
Pedestrians walk on the piano stairs that can produce melodious sounds at a subway station in Nanjing, east Chinas Jiangsu province, 1 September 2011 Stock Photo - Alamy
![Subway passengers walk 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 passengers walk 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](https://c8.alamy.com/compes/2cpde8j/subway-passengers-walk-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-reuters-edgard-garrido-mexico-tags-society-health-2cpde8j.jpg)
Subway passengers walk 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
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
![People Going Down on Piano Stairs in the Mexico City Subway Editorial Photography - Image of woman, interior: 211365682 People Going Down on Piano Stairs in the Mexico City Subway Editorial Photography - Image of woman, interior: 211365682](https://thumbs.dreamstime.com/z/people-going-down-piano-stairs-mexico-city-subway-february-wearing-face-masks-descending-escalators-keys-exit-mexican-211365682.jpg)