The secret realm at the source of the Yellow River.

This is the starting point of the Yellow River's life. Every drop of water is connected to countless lives downstream; Every inch of land has its own story. And guarding this place has become the most important thing for people living on this land.

The spotted geese resting by the river.

The black soil beach after treatment.

This is the Tibetan wild donkey family.

Irrigation of green forests along the banks of the Yellow River.

The river patrol staff are picking up garbage.

This is the Cambra Global Geopark.

This is the Tibetan antelopes on the grassland.

The waterbirds are playing with each other.

This is an oasis by the Longyangxia reservoir area.