Complex sentence: Though the Cusqueño painters studied Byzantine, Flemish, Andorran and Italian Renaissance art, their works were freer than those of their European tutors: they used bright colors and distorted, dramatic images, and depicted their native flora and fauna as a backdrop in their works.
Split into simpler sentences: Though the Cusqueño painters knew copies of Byzantine, Flemish and Italian Renaissance art, their works were freer than those of their European tutors: they used bright colors and distorted, dramatic images. They often adapted the topics to depict their native flora and fauna as a backdrop in their works.