This landmark is considered one of the important and famous landmarks located in the city of Leiden. Inside Leiden University you will find a water sink that has been in use since 1920 AD, and it is the same sink that the famous scientist Einstein used during his life and education at this university. There is nothing special about this washbasin except that it was used by one of the finest minds that passed through mankind in the previous century. This laundry has been saved from the restoration process that took place in 2015, due to the legends and stories surrounding it, do not miss to see it!