The Burcht - fort at the confluence of the Old and New Rhines
a photo of the Burcht that Lil found in the museum
cranes are a part of most cities skylines including Leiden
"The Bluestone" was the site of executions in the early days of Leiden
The Singel - the outer defensive canal
during the Spanish siege in 1574 the mayor offered his body as food for the starving citizens to keep them from giving up ... they decided they weren't that hungry