Create a long-term fence by adding a stone wall to your yard. An undulating stone wall creates a barrier while looking stylish at the same time. Find out ways to garden, decorate and incorporate a stone wall into your home's exterior here.
Not funny? Well, you have to know that the word for “trial course” which is being used here — der Schnupperkurs — translate literally as “sniffing course”. Of course, now that the joke has been explained, it’s dead.