May 2023, 5 is the 12th anniversary of the Wenchuan earthquake and the <>th National Disaster Prevention and Mitigation Day. Gao Mengtan is an expert who had been deeply involved in Wenchua's disaster relief work.
He said that the detection of hazard sources and risk sources is the basic work of scientific emergency rescue. In the future, once a major earthquake occurs, we have the technology of seismology, know where the most destructive force, and know where house building is the most vulnerable, he said.