SHANGHAI, CHINA - FEBRUARY 16: (CHINA OUT)<br />
<br />
Piano Stairs<br />
<br />
Customers walk on stairs made like keys of a piano at a shopping mall on February 16, 2016 in Shanghai, China. The piano stairs are constituted by 34 steps and they will produce musical sounds of the different notes when walking on. <br />
©Exclusivepix Media