Observatory of Leiden University – Universal joint Restored Observatory of Leiden University Observatory of Leiden University – Dome Premtime radio at Leiden University Zoötomisch Laboratorium Stone wave Chairs Hall of the old University Library of Leiden Unive… Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Old University building Hortus Botanicus of Leiden University – Plant plan… Hortus Botanicus of Leiden University Hortus Botanicus of Leiden University – Nepenthes Hortus Botanicus of Leiden University – Dormant Pl… Hortus Botanicus of Leiden University – Von Siebol… Hortus Botanicus of Leiden University – Von Siebol… Hortus Botanicus of Leiden University – Nephentes Entrance to the Snellius building of Leiden Univer… View from the Pieter de la Court-gebouw View from the Pieter de la Court-gebouw View from the Pieter de la Court-gebouw View from the Pieter de la Court-gebouw Stone rooster Pavlov Sylvius Laboratory of Leiden University School bus Lecture hall 1A20 in the Pieter de la Court buildi… Lecture hall 003 of the Lipsius Building of Leiden… Lecture hall C131 of the Kamerlingh Onnes Building… Lecture hall C131 of the Kamerlingh Onnes Building… Scissors Electromagnet at the Huygens Lab of Leiden Univers… De Sitter lecture hall of the Huygens Lab of Leide… Havinga Lecture hall in the Gorlæus Lab of Leiden… Havinga Lecture hall in the Gorlæus Lab of Leiden… Havinga Lecture hall in the Gorlæus Lab 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… Escher View of the Rapenburg from a window Portrait View of the front yard of the Kamerlingh Onnes Bui… The Leiden Observatory at dusk Science for trees Science for trees The Academy Building of Leiden University Sun hitting the university seal Hall of the Old Library of Leiden University