Complex sentence: Yang attended elementary school and high school in Beijing, and in the autumn of 1937 his family moved to Hefei after Japanese invaded China in full scale, in 1938 they moved to Kunming, Yunnan, where the National Southwestern Associated University was located.
Split into simpler sentences: Yang attended elementary school and high school in Beijing, and in the autumn of 1937 his family moved to Hefei after Japanese invaded China. In 1938 they moved to Kunming, Yunnan, where the National Southwestern Associated University was located.