This public park offers not only a place for a walk, but also sport facilities and playgrounds for both children and adults.
Wikipedia (Italian) http://it.wikipedia.org/wiki/Giardino_della_Lunetta_Gamberini
Address 9 Via Pellizza da Volpedo, Bologna 40137, Italy
Coordinates 44°28'51.604" N 11°22'23.113" E