From Nov 11th-12th 2018, Prof Shuren WANG was invited to participate in the Urban Geology and Underground Space Utilization International Seminar & The kick-off meeting of International Working Group of ACUUS-GEO in Beijing. Prof WANG made the academic report titled "Stability Evaluation and Treatment Technology of Buildings above the Mined-out Areas ". After that he extensively discussed with foreign counterparts on the relevant issues.