On May the 13th, Zhang Ruiling completed her PhD viva. The assessment panel included Profs Qi Shihua (祁士华Chair) of CUG-Wuhan, Zou Shichun (邹世春) of SYSU, Xu Weihai (徐维海) of SCIO， Peng Xianzhi and Li Jun of GIG.  We had a celebration party in the evening, of cause with lots of fun and drinks. Congratulations to Dr Zhang Ruiling!