Designers are given a chance to help promote healthy living across New York City.
New design aims to turn entire city into skateable surface.
The 54 steps in Wulin Plaza, China, resemble black and white keys and play different notes when stepped on.
A new outdoor installation gives commuters a little jolt of happiness in the often gloomy morning ride by putting park slides on train platforms.
"Can we get more people to choose the stairs by making it fun to do?" This is the question posed by a group in Stockholm, Sweden who converted the stairs of a subway exit into a giant piano.