the barnstormers are a crew of artists mainly from nyc and japan, who, in 1999, joined together to paint old tobacco barns in rural cameron, north carolina. subsequently they have become an energetic creative force that continues to contribute to contemporary art worldwide.
this video is a time lapse image of them painting and repainting a barn in the southeastern center for contemporary art in winston-salem north carolina, in ocbtober 2004.
you can see more here.

The Barnstormers - 360 from David Ellis on Vimeo.