In a broad sense, the Soviet headquarters is actually the headquarters plus the east campus and the north campus. There is a bridge between the headquarters and the east campus, and there is a road between the north campus and the north of the headquarters. The headquarters is called Tianci Zhuang Campus, the east is called Silkworm Breeding Campus, and the north is called Xiangmenwai. In a narrow sense, the headquarters is just the headquarters, Tianci Zhuang Campus.