Havinga Lecture hall in the Gorlæus Lab of Leiden… Havinga Lecture hall in the Gorlæus Lab of Leiden… Build your own Volkswagen Beetle Build your own Volkswagen Beetle Build your own Volkswagen Beetle Build your own Volkswagen Beetle Flat Guinness Live in your dreamed environment in Oegstgeest 1971 Citroën AK3ST 400 1971 Citroën AK3ST 400 New computer screen at work Cycling De Sitter lecture hall of the Huygens Lab of Leide… Electromagnet at the Huygens Lab of Leiden Univers… Water Fibrelite FL90 D400 manhole cover Oil coming out of a bus Achmea building in Leiden: finished Scissors 1987 Mercedes-Benz 609 D Lecture hall C131 of the Kamerlingh Onnes Building… Lecture hall C131 of the Kamerlingh Onnes Building… Lecture hall 003 of the Lipsius Building of Leiden… Havinga Lecture hall in the Gorlæus Lab of Leiden… Lecture hall 005 of the Lipsius building of Leiden… Lecture hall 005 of the Lipsius building of Leiden… Flipje is back! Escher View of the Rapenburg from a window Portrait Durian cake Screens Screens View of the front yard of the Kamerlingh Onnes Bui… Voetbalplaatjes After a family meal Kookt op gas en Gaskraan Kookt op gas 1975 Mercedes-Benz L 206 D Campervan LVL City-Pier-City Run Ganesha Gift-wrapped Burger King Spui in The Hague