
People visit the Chinese Navy Museum in Qingdao, east China's Shandong Province, April 16, 2019. (Xinhua/Li Ziheng)

People visit a ship in the Chinese Navy Museum in Qingdao, east China's Shandong Province, April 16, 2019. (Xinhua/Li Ziheng)

People visit the Chinese Navy Museum in Qingdao, east China's Shandong Province, April 16, 2019. (Xinhua/Li Ziheng)

People visit a ship in the Chinese Navy Museum in Qingdao, east China's Shandong Province, April 16, 2019. (Xinhua/Li Ziheng)

People take photos in the Chinese Navy Museum in Qingdao, east China's Shandong Province, April 16, 2019. (Xinhua/Li Ziheng)