Local residents queue for visiting the "Dokdo" amphibious assault ship from the Republic of Korea in Qingdao, east China's Shandong Province, April 22, 2009. Part of foreign naval vessels which came to attend the 60th anniversary celebration of Chinese People's Liberation Army Navy was open to public on Wednesday, attracting lots of visitors. (Xinhua/Zha Chunming)

　　Local residents visit the sailing ship ARM Cuauhtemoc of the Mexican Navy in Qingdao, east China's Shandong Province, April 22, 2009. Part of foreign naval vessels which came to attend the 60th anniversary celebration of Chinese People's Liberation Army Navy was open to public on Wednesday, attracting lots of visitors. (Xinhua/Li Gang)

　　A little boy poses with marines of the sailing ship ARM Cuauhtemoc of the Mexican Navy in Qingdao, east China's Shandong Province, April 22, 2009. Part of foreign naval vessels which came to attend the 60th anniversary celebration of Chinese People's Liberation Army Navy was open to public on Wednesday, attracting lots of visitors. (Xinhua/Zha Chunming)

　　A little boy poses with a marine of the sailing ship ARM Cuauhtemoc of the Mexican Navy in Qingdao, east China's Shandong Province, April 22, 2009. Part of foreign naval vessels which came to attend the 60th anniversary celebration of Chinese People's Liberation Army Navy was open to public on Wednesday, attracting lots of visitors. (Xinhua/Zha Chunming)

　　Marines of the sailing ship ARM Cuauhtemoc of the Mexican Navy make lunch on the ship in Qingdao, east China's Shandong Province, April 22, 2009. Part of foreign naval vessels which came to attend the 60th anniversary celebration of Chinese People's Liberation Army Navy was open to public on Wednesday, attracting lots of visitors. (Xinhua/Zha Chunming)

　　A woman takes photographs of the "Dokdo" amphibious assault ship from the Republic of Korea in Qingdao, east China's Shandong Province, April 22, 2009. Part of foreign naval vessels which came to attend the 60th anniversary celebration of Chinese People's Liberation Army Navy was open to public on Wednesday, attracting lots of visitors. (Xinhua/Zha Chunming)

　　Two local women pose for photos with a navy soldier as they visit the "Mumbai" missile destroyer of India in Qingdao, east China's Shandong Province, April 22, 2009. Part of foreign naval vessels which came to attend the 60th anniversary celebration of Chinese People's Liberation Army Navy were open to public on Wednesday, attracting lots of visitors. (Xinhua/Zha Chunming)