Seen on the footpath at regular intervals along the Cooks River.
Awwww, how can you not like that?
I know who the perpetrator is. You see that big, metal alien in the foreground - the one hovering over the house next to the park? It comes alive at night, and prowls the bike paths, painting symbols in an alien language, preparing the earth for invasion.
Oops, obviously forgot to keep my tinfoil on today.