Chris Burden Micros

The perfomance is made by Chris Burden artist. They are three micros
returning to Europ (England) in remenber of Colon. They was self
piloted with GPS and autopilot and a rolling mast with a electrical
motor and others electronics. I see one in Barcelona in a show. I
dont know the end. I want send a photo of the tree to the files.
Pere
Barcelona