A military band from Vietnam performs during a joint military music display held to celebrate the People's Liberation Army Navy's 70th founding anniversary in Qingdao, east China's Shandong Province, April 22, 2019. The military bands from the navies of China, Thailand, Vietnam, Bangladesh and India performed at the event. Over 1,200 people, including officers and soldiers of navy vessels from home and abroad and Qingdao citizens, viewed the performance. (Xinhua/Zhu Zheng)