Photo via InHabitatAlthough it was legal in San Francisco until 2002, the bay area hub has been struggling to curb public urination in the city over the past decade as the fear of $500 fines has not discouraged (presumably) drunken revelers from relieving themselves on public property after a long night out."Nobody wants to smell public urine," SF Public Works Director Mohammed Neru told SFGate. "We are trying different things to try to make San Francisco smell nice and look beautiful."Photo via SFChronicleUltra-Ever Dry is the name of a product, which when sprayed on concrete walls has the effect of deflecting urine back from whence it came. Nine San Francisco city walls have currently been sprayed with the substance in an experimental phase for the cityWhat happens during a rainstorm is yet to be known, but whizz-happy individuals have been encouraged to find plant-life upon which to pee.