Complex sentence: Privately owned public spaces in New York City were introduced in a 1961 zoning resolution where the City offered zoning concessions for commercial and residential developers in exchange for a variety of spaces accessible and usable for the public.
Split into simpler sentences: Privately owned public spaces (POPS) in New York City were introduced in a 1961 zoning resolution. The City offers zoning concessions to commercial and residential developers in exchange for a variety of spaces accessible and usable for the public.