Julian Beever is an English artist that creates surreal chalk drawings on pavement surfaces. His art is sometimes so convincing that people avoid potholes he has drawn on a pavement. His nickname is "the pavement picasso". His chalk art can take.
"Watch Before You Step In This Elevator" by Andrew Walker to trick mall-goers at London’s Southside Shopping Centre by installing a of a giant hole at the floor of the elevator to promote Alton Towers Resort's new Nemesis Sub-Terra ride.