青島老龍灣海域，船艇列隊(duì)參加海上巡游活動(dòng)（7月10日攝，無人機(jī)照片）。為迎接中國(guó)航海日，青島市舉行“我們來航海”海上巡游活動(dòng)。市民和游客受邀乘坐帆船、游艇出海，體驗(yàn)海洋文化的魅力。2025年是中國(guó)航海日設(shè)立20周年，也是鄭和下西洋620年。今年航海日活動(dòng)以“綠色航海 向新圖強(qiáng)”為主題。[新華社記者 李紫恒 攝]

An aerial drone photo taken on July 10, 2025 shows yachts and sailboats participating in a sea cruising event in Laolong Bay area in Qingdao, east China's Shandong Province. A sea cruising event was held in the coastal city of Qingdao on Thursday to celebrate the 20th anniversary of the establishment of the Maritime Day of China and the 620th anniversary of Chinese explorer Zheng He's maritime voyages. (Xinhua/Li Ziheng)