This is an environmentally friendly picture book with exquisite painting style. It tells about a child who left the north with his father and sisters and settled in the jungle. At first, he was afraid of the environment and then obsessed with it, because he discovered the fun and richness of this new environment. Soon, more and more people came to the jungle. Gradually, it became a village, and there were fewer and fewer green jungles... Until one day, the child met the legendary big guy. He was very scared, but he did not expect that the big guy was not as fierce as the legend, he was just trying to survive. Since then, he has never seen the big guy again...