Complex sentence: His early paintings like the Madonna Contini Bonaccossi in the Pitti Palace, are painted in a style drawn from that of Duccio, but from about 1320 a distinct mature style emerges, spiritual and elegant.
Split into simpler sentences: His early paintings like the Madonna Contini Bonaccossi in the Pitti Palace, are painted in a style drawn from that of Duccio. From about 1320 a distinct mature style emerges, spiritual and elegant.