On April 30, 英健Yingjian (MSc)、雨薇Yuwei (PhD)、楚鑫Chuxin (PhD) did their degree viva. The assessment committee consisted of Professors Zou Sichun邹世春 of SYSU, Chen Da陈达 of JNU, Zhao Qin赵青 of Guangdong Institute of Ecological Environment and Soil, Li Jun李军 and 罗春玲Luo Chunling of GIG. The three gave nice presentations with confidence, and the defense went on smoothly. We had a party after the viva cerebrating their success. Big congratulations !