A man´s best friend
But you can do something about it. It should be self-evident that the dog-owners remove the fouling. If not, they are liable to be fined 25 €.
So please use a plastic-bag and watch your dog and remove the fouling immediately. You can also find a map, where the city-council offers free of charge suitable plastic-bags and they are available in most pet-shops.
At more than 40 points in the city, the ASP has disposed poo bag automats. All locations can be found in the online map: