![The guided missile cruiser Varyag, the flagship vessel of Russia\'s Pacific Fleet, arrives at Qingdao Port for a joint naval exercise on Monday, April 29, 2019. China and Russia will hold the Joint Sea 2019 naval exercise near Qingdao from April 29 until May 4. (Photo/China Plus)](http://www.ecns.cn/hd/2019/04/29/28649f743f4e48c0b50ccef06dc76bf0.jpg)
The guided missile cruiser Varyag, the flagship vessel of Russia's Pacific Fleet, arrives at Qingdao Port for a joint naval exercise on Monday, April 29, 2019. China and Russia will hold the Joint Sea 2019 naval exercise near Qingdao from April 29 until May 4. (Photo/China Plus)
![The large anti-submarine ship Admiral Tributs of the Russian navy arrives at Qingdao Port for the Sino-Russia Joint Sea 2019 naval exercise on Monday, April 29, 2019. (Photo/China Plus)](http://www.ecns.cn/hd/2019/04/29/fe1e43cc3eb14db3970d78649951e748.jpg)
The large anti-submarine ship Admiral Tributs of the Russian navy arrives at Qingdao Port for the Sino-Russia Joint Sea 2019 naval exercise on Monday, April 29, 2019. (Photo/China Plus)
![Russian navy officers receive flowers from Chinese children at Qingdao Port during a welcoming ceremony for Russian ships at the Sino-Russia Joint Sea 2019 naval exercise on Monday, April 29, 2019. (Photo/China Plus)](http://www.ecns.cn/hd/2019/04/29/6aab19f6de004cc59169303bd56b31ac.jpg)
Russian navy officers receive flowers from Chinese children at Qingdao Port during a welcoming ceremony for Russian ships at the Sino-Russia Joint Sea 2019 naval exercise on Monday, April 29, 2019. (Photo/China Plus)
![The large anti-submarine ship Admiral Vinogradov of the Russian navy arrives at Qingdao Port for the Sino-Russia Joint Sea 2019 naval exercise on Monday, April 29, 2019. (Photo/China Plus)](http://www.ecns.cn/hd/2019/04/29/c2c0f96f245f4f8ea8488e197dc04339.jpg)
The large anti-submarine ship Admiral Vinogradov of the Russian navy arrives at Qingdao Port for the Sino-Russia Joint Sea 2019 naval exercise on Monday, April 29, 2019. (Photo/China Plus)