On March 15, the 51st International Exhibition of Inventions Geneva concluded. The project "Intelligent Treatment Technology for Leakage Defects in Metro Tunnel Beds: Equipment, Materials, and Implementation Methods" developed by Academician Du Xiuli's team and Professor Lu Dechun's research group, was awarded the Gold Medal with Congratulations of the Jury. Another project, "Intelligent Integrated Diagnosis and Treatment Equipment for Leakage Diseases in Metro Tunnels," received a Gold Medal. More than 1,000 projects from 35 countries and regions participated in this year's exhibition.