Graduation ceremony is held at a military camp for Hong Kong's university students, PLA Hong Kong garrison, Aug. 12, 2018. (Photos: China News Service)

Members of a military camp for Hong Kong's university students celebrate in the graduation ceremony at the PLA Hong Kong garrison, Aug. 12, 2018.

Graduation ceremony is held at a military camp for Hong Kong's university students, PLA Hong Kong garrison, Aug. 12, 2018.

Participants in a military camp celebrate graduation at the PLA Hong Kong garrison, Aug. 12, 2018.

Graduation ceremony is held at a military camp for Hong Kong's university students, PLA Hong Kong garrison, Aug. 12, 2018.