It is unlawful for any person to throw or deposit in any street, alley, sidewalk or footpath of the city any broken glass, bottles, crockery, nails or other substance whatever whereby automobile tires or the feet of horses, pedestrians or any beast of burden may be injured; or shall throw, deposit or sweep into or upon any street, sidewalk or footpath of the city any paper or other substance whatever. (1977 Code § 9.28.010; amd. 2004 Code)