The platform Ad Valvas writes about A-LIFEs Hans Cornelissen who gave guided tours on the roof garden of the VU Main Building during the ‘Week of Biology’ in May. Hans is passionate about his research on this unique roof garden. This garden is more than just a beautiful garden. A lot of various plant species (both sun and shade admirers) grow in this garden. Click here to read the full article in Ad Valvas (in Dutch).