Opening ceremony for postgraduate students 2019 at Xi'an Jiaotong University held in Shaanxi

Aerial photo taken on Sept. 7, 2019 shows the opening ceremony for postgraduate students 2019 at Xi'an Jiaotong University in Xi'an, northwest China's Shaanxi Province Meanwhile, over 7,000 postgraduate and doctoral students attended the activities to mark the first year of Western China Science & Technology Innovation Harbour. (Xinhua/Shao Rui)