It shall be unlawful for any person to build or construct any step or other obstruction, whether temporary or permanent, or to store, leave or allow to be left any implements, tools, merchandise, goods, containers, benches, display or show cases, on any sidewalks or other public ways in the city or to obstruct the same longer than is necessary for loading or unloading any such article or object. (Ord. 101, Sec. 11; Code 2000)