Sand Sand Sand Education and Research building of Leiden Universi… Harlingen Harlingen Some details from Leiden Facade Rapenburg 67 Academy Building of Leiden University Rapenburg 67 Academy Building of Leiden University Corner of Rapenburg and Raamsteeg in Leiden Academy Building of Leiden University Academy Building of Leiden University Academy Building of Leiden University Rapenburg 67 Academy Building of Leiden University Academy Building of Leiden University My bike ride home: obstacle Part of the O&O building of Leiden University Medi… Secession building in Vienna Sonotube New Leiden Torenflat New office in the making The Black Knight Former travel agent building for the Hollandsche S… The Faculty of Social and Behavioral Science of Le… Head on a house in The Hague Head on a house in The Hague The Two Towers Preparing for the roof of the bicycle garage at Le… Three towers Three towers Karl Marx-Hof Art Nouveau ornament on a house on the Linke Wienz… Houses in a row Big house on the Rijnsburgerweg Going up Four towers Gebouw "Nieuwe Energie" Building a new entrance Hotel-Restaurant Het Haagsche Schouw New houses on the bank of the Rhine Building Nieuwe Energie (New Energy) Removing the supporting plates Disused buildings of the power plant of Leiden The former ESSO building in The Hague Five towers Underground bicycle parking View over the former gasworks terrain Building on the spot of the old Instrument Makers… Old building in Leiden with a tree growing through… Old building in Leiden Waakzaamheid (Vigilance) Kracht (Strength) Wijsheid (Wisdom) Leidsch Dagblad building (Leiden Daily building) Leidsch Dagblad building (Leiden Daily building) Leidsch Dagblad building (Leiden Daily building) Leidsch Dagblad building (Leiden Daily building) Leidsch Dagblad building (Leiden Daily building) Renovation project Ripperda – Fendt tractor Enormous building place in Haarlem Renovation project Ripperda Renovation project Ripperda Renovation project Ripperda – connecting hoses Wijn – Gezellig en gezond Old garage Something new Train journey to London: flat in Antwerp Amsterdam by night Nieuwerbrug - Church "Tower" I had a study day at the Hague Polytechnic: view f… I had a study day at the Hague Polytechnic I had a study day at the Hague Polytechnic: walkin… The new office Leidsche Bouwvereeniging I was very proud of myself when I learnt about Rom… Break through More break through The work progresses This little tunnel is going to disappear Pipe sprouting weed The End Cranes in the City Colourful Montreal Lonely building on Rue Sainte Catherine (Montreal) From the Acme company: the Extend-A-Reach Rapenburg, Leiden Chicago - Wrigley Building