This photo taken on June 16, 2025 shows graduating students taking photos at the Sipailou campus of Southeast University in Nanjing. (Photo/CFP)

This photo taken on June 16, 2025 shows graduating students posing for photos at the Sipailou campus of Southeast University in Nanjing. (Photo/CFP)

This photo taken on June 16, 2025 shows a graduating student posing for photos at the Sipailou campus of Southeast University in Nanjing. (Photo/CFP)

This photo taken on June 16, 2025 shows a graduating student posing for photos at the Sipailou campus of Southeast University in Nanjing. (Photo/CFP)