sentences:  Vos visited China in 1899 and painted portraits of prominent leaders.Empress Dowager Cixi (Tzu Hsi), whose portrait had been painted in oil by the American artist Katharine Carl, saw these portraits and invited Vos to visit China in 1905.He did one portrait of her which is still displayed in the Summer Palace, then after he got back to New York, finished another portrait which he had started in China.