本作品是由易企秀（eqxiu.com）提供在线设计，丰富模板可快速制作的海报作品。该作品内容为“警钟长鸣,9月18日,纪念九一八事变92周年,918,铭记历史,1931-2023,北京市顺义区退役军人事务局”，以 commemorating and honoring the 92nd anniversary of the September 18th Incident, warning everyone to beware. This poster is designed to remind people of the importance of history and the need for vigilance.