Group 1 - The article discusses the creative ways people are utilizing fallen leaves, including making crafts and art, as well as the environmental benefits of recycling leaf waste [1][4][5] - In Beijing, approximately 5.2 million tons of fallen leaves are generated annually, and this number is increasing each year [1] - Community gardening stations are hosting activities focused on fallen leaves, promoting creativity and education for families [3][4] Group 2 - An artist named Wang Ziyang collected around 20,000 ginkgo leaves to create an abstract art installation, selling individual leaves for a profit [6][10] - The article highlights the process of turning fallen leaves and branches into compost and organic soil, which is essential for urban landscaping [10][11] - The use of technology, such as the ecological cabin, is being implemented to efficiently process green waste, reducing transportation costs and improving soil quality [10][11] Group 3 - Parks are adopting more sophisticated methods for managing fallen leaves, balancing ecological needs with maintenance requirements [15][16] - The concept of "brush piles" made from fallen leaves and branches is introduced as a habitat for wildlife, enhancing biodiversity in urban parks [13][16] - The article emphasizes the importance of fallen leaves in providing shelter and food for various species, contributing to a healthier ecosystem [14][15]