Ranger devotes a lifetime to protecting his trees

While walking is a popular exercise for many people nowadays, it can be a real challenge for forest ranger Zhang Youguang, who has consistently walked 6 kilometers on mountainous roads daily for 43 years.

As a young man, Zhang took over the job from his father, who was once a hunter and later accepted the job of protecting the forest, as many people attempted to cut down trees illegally in the 1970s.

The forest in his charge is a virgin forest covering 2,700 mu (180 hectares), located in Pingshang town, in Puding county of Guizhou province in Southwest China.