Complex sentence: Still, the Valley remains one of the quietest, greenest, most affordable neighborhoods within easy walking distance of the city's core--little changed since the film Benny & Joon was set here in 1993.
Split into simpler sentences: Still, the Valley remains one of the quietest, greenest, most affordable neighborhoods within easy walking distance of the city's core. In many ways, Peaceful Valley seems little changed since the film Benny & Joon was set here in 1993.