Complex sentence: On a winter day after World War II, he was found sick and half-frozen by villagers of Balatun in Bosnia and accepted in their midst in exchange for painting frescos in their churches.
Split into simpler sentences: On a winter day after World War II, he was found sick and half-frozen by villagers of Balatun in Bosnia. He remained in the town, supported by the townspeople in exchange for painting frescos in their churches.