Old windmill driveshaft of 1864 of the Lagenwaards… Lagenwaardse Polder and Vliet Polder Town hall in Alphen aan den Rijn Church building in Alphen aan den Rijn White house in Alphen aan den Rijn New street in Alphen aan den Rijn Ambonstraat in Leiden Lagenwaardse Molen Nissan X-trial Gradus ad parnassum Temporary entrance to the Pieter de la Court build… Vault light of Emile Sanders of Amsterdam Access cover „W SCH” Approaching the Rembrandt Bridge Approaching the Bostel Brige in Leiden Approaching the Church Bridge in Leiden Under the arch of the Fish Bridge in Leiden Sterrewacht Leiden – Lecture room Sterrewacht Leiden – Telescope Sterrewacht Leiden – Domes Sterrewacht Leiden – Wooden telescope Sterrewacht Leiden – Staircase Sterrewacht Leiden – View from one of the domes Sheds Pumping water Bend Bicycle path Letter to Dubai Lions are leaving Leiden Sunset over Leiden “Down with the Islamic Republic of Iran” Ontdek Leiden While humans try to understand the HIggs Boson, Ca… Gevulde Bara BMW Hamann X6 Leidens Ontzet 2012 – Strong man Leidens Ontzet 2012 – Polstokspringen – Ambulance… Leidens Ontzet 2012 – Polstokspringen – Climbing a… Leidens Ontzet 2012 – Polstokspringen – Waiting af… Leidens Ontzet 2012 – Polstokspringen – From high… Leidens Ontzet 2012 – Polstokspringen – Still all… Leidens Ontzet 2012 – Polstokspringen – Laughing Leidens Ontzet 2012 – Polstokspringen – Not wise t… Leidens Ontzet 2012 – Polstokspringen – Climbing f… Leidens Ontzet 2012 – Polstokspringen – Hanging on