July 30, 2014September 30, 2022FY2014 Technical visit to construction site of geocell retaining wall ジオセル擁壁の現場見学
June 30, 2014September 30, 2022FY2014 Damage survey of sinkhole, Pokhara, Nepal. ネパール・ポカラで連続的に発生する地盤陥没の現場調査を実施