China's frigate Yantai leaves the Hong Kong Special Administrative Region (SAR), south China, July 11, 2017. China's first aircraft carrier, the Liaoning, left here Tuesday after wrapping up a five-day visit to Hong Kong. A departure ceremony was held at the Ngong Shuen Chau Barracks of the PLA Hong Kong Garrison by the HKSAR government. (Xinhua/Lui Siu Wai)
