Sunlight filters through the branches in the Greater Hinggan Mountains in northeast China's Heilongjiang Province. /CGTN

Reindeer is resting, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN

A reindeer walks out of the forest, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN

A bell swings from the reindeer's neck, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN

A reindeer runs through the snow, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN

A reindeer is eating food, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN

Reindeer wander among the trees, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN

A reindeer looks back, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN

Reindeer lie on the ground, the Greater Hinggan Mountains, northeast China's Heilongjiang Province. /CGTN