biodiversiteit
Did you ever look at ditch water as a child? To the insects who skate on the water, the slippery frogspawn and the shiny fish? The average Dutch ditch is full of various insects, fish, plants and micro-organisms that together lead to a diverse aquatic flora and fauna. But not only the ditch is diverse. In order to maintain a well-functioning world, all of nature must consist of all kinds of different plants and creatures. Biodiversity keeps the world healthy. Ditch water is more fascinating and important than you think.
Activiteiten
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
