Combo photo shows third grader Peng Yiran displaying a "fish" made by herself with branches (top) and her works of "fish" (bottom) at Xuqiao Primary School in Xuxing Village of Tianxin District in Changsha, central China's Hunan Province, Nov. 20, 2019. The school in this year started to teach students to make handicrafts at art lessons by using natural materials such as tree branch and pine cone to help them discover the nature. (Xinhua/Chen Zhenhai)