That's a pretty enthnocentric definition. I can't read most of the sources, but reference #5 gets it's definition from a book written in 1936. Modern anthropology and other social sciences have moved beyond this definition because deciding if "Civilization" exists should be more nuanced than checking boxes.
It's one of few hills in Berlin - Kreuzberg. The steeple is not a cathedral, but a monument from 18th century dedicated to victory in the war against Napoleon.
It's a nice park to just chill and drink a beer, and the waterfall helps to cool the air in these hot days.