May 28th. According to public information on the official website of Guangdong Institute of Technology, the graduation photos of Dinghu Campus of Guangdong Institute of Technology in Zhaoqing were taken on May 28. Guangdong Institute of Technology is located in Zhaoqing, a city in the Pearl River Delta. It is a full-time general undergraduate institution featuring engineering and coordinated development of liberal arts, economics, management, and art.