It shall be unlawful for any person to place or keep any goods, wares, merchandise
or other chattel upon, under or over the sidewalks, parkway, street or other public
property in this city, either for use, display or for sale, and whether attached to
the land or not. Provided, that upon prior application to the city manager and a permit
granted by him, such use of the sidewalk, parkway, street or other public property
may be permitted for special functions, and such permit shall require the permittee
to hold the city harmless from any and all liability arising from his use of the same.