In a mountain village in Pan’an, Jinhua, Zhejiang, a 75-year-old farmer, Cao Lanzhao, still insists on taking a walk in the woods around village every day. He has been planting trees around this mountainous village for more than 40 years. Since 1984, when he and his family began contracting mountainous land for tree planting, the veteran farmer has had a lifelong relationship with trees.