Shang Chunlin (2nd L) presents "ecological furniture" to customers in Shenzhou, north China's Hebei Province, July 16, 2018. Shang Chunlin, a 65-year-old farmer, spent years of effort to grow trees in the form of chairs, beds, tables and so on, and his products are favored by tourists, merchants and collectors. (Xinhua/Li Xiaoguo)