Introduction to Martyr Yang Kaihui Cemetery: It is about 300 meters away from the former residence, and the main body covers an area of ​​4003 square meters. Above the tomb is a giant stele with Mao Zedong's calligraphy "Die Lian Hua Reply to Li Shu" written in gold and completely covered with polished black marble. In front of the tomb is a white marble statue of Yang Kaihui.