I was surprised to find along its western wall a sign stating "Гробище за домашни любимци", a cemetery for pets. Literally I think it uses the term "home beloveds" for pets here:
To the left is an unnamed dog, in the middle is Daisy, and to the right Aiya:
Here are a couple I liked especially, with detail views. First, a dog named Karla, 2000–2013, with the note "Обичаме те" ("we love you"):
And then a cat named Viktor:
I guess pet cemeteries probably exist elsewhere, but I don't think I've seen one in person before.
On the topic of cute pets, here are two cats that seemed perfectly posed for a paparazzo like me to come along and take a picture of them: