A Sao Paulo train station has installed a piano staircase.
34 steps have been fitted with piano keys that activate when stepped on.
The Social Services of Commerce said the purpose was to encourage people to get a little extra exercise.
A Sao Paulo train station has installed a piano staircase.
34 steps have been fitted with piano keys that activate when stepped on.
The Social Services of Commerce said the purpose was to encourage people to get a little extra exercise.