Admiral Jose Luis Villan of Argentina arrives in Qingdao, east China's Shandong Province, April 20, 2019. More than 60 countries will send delegations to join a naval parade commemorating the 70th anniversary of the founding of the Chinese People's Liberation Army (PLA) Navy, and over 30 countries of them will send major navy leaders to participate in the event. (Xinhua/Zhu Zheng)