Zhiyong Li has retired at home. He once personal experiences the Haicheng earthquake of Feb 4, 1975 and participates in the forecast before the quake. This is his costful memory.

• 已经退休在家的李志永，曾经亲历了发生于1975年2月4日的海城地震，并参与了震前预报，这是他人生中最珍贵的回忆。