Chinese destroyer Yinchuan sails to the dock of Stonecutters Island in Hong Kong Special Administrative Region (HKSAR), south China, July 7, 2017. A flotilla including China's first aircraft carrier Liaoning on Friday arrived in HKSAR for a visit, during which Liaoning will, for the first time, be open for the public to visit. According to the Navy's plan, sailors of the flotilla will attend local activities to celebrate the 20th anniversary of the People's Liberation Army being stationed in the HKSAR. (Xinhua/Zeng Tao)