Every day thousands of Swedes drive to the airport. In an effort to get them to take a Flygbussarna bus instead, Acne created this, somewhat literal, manifestation of some basic arithmetic. Traffic chaos ensued…
This sculpture of a Flygbussarna coach was built from 50 cars by the side of the main road to Stockholm airport.
An accompanying website includes a live feed of the bus-sculpture plus gizmos to work out how much carbon would be saved by switching from the car.
This film explains more