The T.P.E.S.'s are site-specific interventions that occur in vacant disused spaces. T.P.E.S. 5 was on the location of a torn down building in the center of Brussels (BE). The location got penetrated and temporarily re-opened for public in December 2009. The walls above the basement entrance were spraypainted with indication marks for T.P.E.S. 05. The existence off this location got mentioned at an opening of Vienna International Apartment.