1991, En Passant 25 installation windows (crox 18). Location: Hertogstraat 17. Philippe Flachet has a regular parcours of installation window projects at this location. PF participates in En Passant at a different venue, in the shop window of a draper's shop. Willem Buijs' presentation is one of the most interesting contributions to the En Passant show. The slide projection, called Itinerarium, shows the trajectory of a series of photos made in Portugal. It is the epicentre of crox 18.