Corvette BNS Prottoy (F112) attached to the Bangladesh Navy arrives at Wharf Dagang in Qingdao, east China's Shandong Province on April 21, 2019. A total of 16 naval vessels from 11 countries arrived at Qingdao to join the upcoming multi-national Chinese maritime parade and other activities in celebration of the 70th founding anniversary of PLA Navy. (eng.chinamil.com.cn/Photo by Dong Zhaohui)
