China's Day of Mother River Protection marked(1/5)

Scenery of Mardo, which means the source of the Yellow River in Tibetan, the Sanjiangyuan National Park in Golog Tibetan Autonomous Prefecture of northwest China's Qinghai Province. Sanjiangyuan, meaning the "source of three rivers," is home to the headwaters of the Yangtze, Yellow and Lancang rivers. (Photo/ICphoto)

China marks Day of Mother River Protection on March 9, aiming to protect the environment of the Yellow River throughout the country.

Photo shows a section of the Tuotuo River, the source of the Yangtze River, in Golmud, northwest China's Qinghai Province. (Photo/ICphoto)

Aerial view of First Bend of the Yellow River on the Maqu Grassland, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. (Photo: China News Service/Wang Lei)

Aerial photo shows the Qiankun Bay of the Yellow River in Gedi Town of Yonghe County, north China's Shanxi Province. (Photo/VCG)

The Yellow River bed is exposed due to the falling water level at the Yongji section in north China's Shanxi Province, forming a unique natural ecological landscape. (Photo/VCG)