Docks at Mách's Lake

We decided to make ourselves happy and go on a trip to Doks near the moss lake.
From the main route Liberec-Prague, we take exit 46 in the direction of Česká Lípa, where we meet Doksy roughly halfway along the route. We go to Doks for several reasons. We are interested in the local seasonal zoo, the Karel Hynek Máchy Memorial and the Four-Leaf Museum.
Our first steps lead to the ticket office of the zoo, which is…