Aerial photo taken on April 23, 2019 shows a new type of nuclear submarine of the Chinese People's Liberation Army (PLA) Navy on the sea off Qingdao, east China's Shandong Province. A naval parade was staged here to mark the 70th founding anniversary of the PLA Navy on Tuesday.

　　4月23日，庆祝中国人民解放军海军成立70周年海上阅兵活动在青岛附近海空域举行。这是中国某新型核潜艇。