PHILADELPHIA (AP) — Philadelphia-based mosaic artist Isaiah Zagar , known for creating mirrored dreamscapes on buildings across the city, has died, according to a nonprofit art center he created. Zagar died Thursday at home of complications from heart failure and Parkinson’s disease, Philadelphia’s Magic Gardens announced in a statement. He was 86. Born in Philadelphia, Zagar returned to the city with his wife, Julia, in 1968 after a Peace Corps stint in Peru. Over the years, he created