Complex sentence: Maryvale Mall was the second shopping mall in Phoenix, Arizona located before being redeveloped on 51st Avenue and Indian School Road, today exists partially as a Middle School, Elementary School and Police Station.
Split into simpler sentences: Maryvale Mall was the second shopping mall in Phoenix, Arizona. Before being redeveloped, it was located on 51st Avenue and Indian School Road, today it exists partially as a Middle School, Elementary School and Police Station.