The 22nd Chinese Peacekeeping Multi-Role Engineering Company to the United Nations Interim Force in Lebanon (UNIFIL) organizes an oath-taking ceremony to review the army admission oath on the occasion of China's Youth Day, which falls on May 4. In December 1949, the Chinese government announced May 4 National Youth Day to commemorate the May Fourth Movement,a patriotic movement mainly participated by college students in Beijing on May 4, 1919. (eng.chinamil.com.cn/ Photo by Huang Yuanli)