The 5,464-km-long Yellow River flows into the Bohai Sea in Dongying, East China's Shandong province, after zigzagging through nine provinces and regions, creating magnificent landscapes.

An aerial photo taken in fair weather shows the clear boundary between the colors of deep blue and yellow where the Yellow River and the Bohai Sea join. [Photo/WeChat account: sdhuabao]

The Yellow River Delta National Nature Reserve in Dongying has the most complete, broadest, and youngest wetland ecosystem in the country. [Photo/WeChat account: sdhuabao]

The Yellow River Delta National Nature Reserve covers about 153,000 hectares, with the wetland making up over 70 percent of the total area. [Photo/WeChat account: sdhuabao]

The Yellow River Delta National Nature Reserve in Dongying. Known as China's Mother River, the Yellow River feeds 12 percent of the Chinese population. [Photo/WeChat account: sdhuabao]

The Yellow River Delta National Nature Reserve is a paradise for wild animals and plants. [Photo/WeChat account: sdhuabao]

The Yellow River, the second longest river in China, flows into the Bohai Sea in Dongying, East China's Shandong province. [Photo/WeChat account: sdhuabao]