To keep people from falling onto the tracks, New York City is testing lasers. Osaka, Japan, is betting on ropes.
A clever data visualization of how we move through shared space.
A Japanese artist fills an old phone booth with water and goldfish, to the delight of passers-by.
In Japan, groping on crowded trains is so common, young women seek refuge in cars where men aren't allowed.
A collection of holiday photos to remind us why we need our public spaces