Ben Wilson creates tiny artworks by painting designs on pieces of chewing gum stuck to pavements. This form of street art does not damage property or break laws.
Stencil graffiti involves spraying cutout stencil designs onto surfaces using spray paint, which can damage buildings and be costly to remove.
Tile artist Space Invader creates mosaics out of ceramic tiles inspired by video games, which do not damage buildings as they are adhered with cement paste that does not leave marks when removed.
Jan Vormann does street art by filling cracks in walls with Lego blocks, repairing rather than damaging buildings.
Shepard Fairey produces sticker, poster and print art to spread messages, which