Sailors in full dress line up on the deck of Chinese missile destroyer Xi'an during the military parade marking Russia's Navy Day on the sea near Kronshtadt islet off the shore of St. Petersburg, Russia on July 28, 2019. Chinese missile destroyer "Xi'an" of the 32nd Chinese naval escort fleet participated in a military parade here marking Russia's Navy Day on Sunday. (Photo by Li Hao/Xinhua)
Sailors in full dress line up on the deck of Chinese missile destroyer Xi'an during the military parade marking Russia's Navy Day on the sea near Kronshtadt islet off the shore of St. Petersburg, Russia on July 28, 2019. Chinese missile destroyer "Xi'an" of the 32nd Chinese naval escort fleet participated in a military parade here marking Russia's Navy Day on Sunday. (Photo by Li Hao/Xinhua)