Scenery at the origin of Irtysh River in Altay. (Photo: xinhua)

Enchanting lake and forestry at the origin of Irtysh River in Altay. (Photo: xinhua)

Scenery at the origin of Irtysh River in Altay. (Photo: xinhua)

Scenery at the origin of Irtysh River in Altay. (Photo: xinhua)

Scenery at the origin of Irtysh River in Altay. (Photo: xinhua)

Snow lotuses bloom along Irtysh River in Altay. (Photo: xinhua)

Mountain lake at the origin of Irtysh River in Altay. (Photo: xinhua)

A pasture located at the origin of Irtysh River in Altay. (Photo: xinhua)

A pasture located at the origin of Irtysh River in Altay. (Photo: xinhua)