這是10月12日在黃河入海口拍攝的黃河與渤海交匯（無人機照片）。在山東省東營市黃河入海口，黃河匯入渤海。黃色的河水和藍色的海水之間形成了一條“分界線”，河黃海清，涇渭分明。[新華社記者 邢廣利 攝]

This aerial photo taken on Oct. 12, 2023 shows the Yellow River estuary in Dongying, east China's Shandong Province. The Yellow River, the second longest river in China, originates on the Qinghai-Tibet Plateau and empties into the Bohai Sea from Dongying City. (Xinhua/Xing Guangli)