Complex sentence: KUST is composed of three campuses, Chenggong, Lianhua, and Xinying, all are in Kunming City, occupying an area of about 120 hectares.
Split into simpler sentences: KUST is composed of three campuses, Chenggong, Lianhua, and Xinying. All are in Kunming City, occupying an area of about 120 hectares.