They are self cleaning. Melbourne also has pop-up urinals that come out of the sidewalk late at night because all the drunks used to just piss on the street or

They are self cleaning. Melbourne also has pop-up urinals that come out of the sidewalk late at night because all the drunks used to just piss on the street or the sides of buildings... http://ca.complex.com/pop-culture/2016/02/australia-pop-up-urinals http://ca.complex.com/pop-culture/2016/02/australia-pop-up-u...