A video showcasing a piece of street ... is pure art," another added. "So satisfying and inspiring." A stock image of graffiti on a wall in Tokyo. A video showing an optical illusion in the ...

But if these optical illusion crosswalks catch ... Chinese artists came up with “floating” 3D crossings, which appear to be levitating above the street when seen from a distance.

A video showcasing a piece of street art ... the balloon art suggests it's the work of an artist known as Fanakapan. According to the artist's Instagram page, the "high five" 3D-style balloon ...