当地球日遇到读书日，以书换“树”，让知识和绿色都循环起来

/upload_files/enclosure/202405/344388685.jpg /upload_files/enclosure_thumb/202405/344388685_s.jpg
/upload_files/enclosure/202405/344388733.jpg /upload_files/enclosure_thumb/202405/344388733_s.jpg
/upload_files/enclosure/202405/344388777.jpg /upload_files/enclosure_thumb/202405/344388777_s.jpg
/upload_files/enclosure/202405/344388824.jpg /upload_files/enclosure_thumb/202405/344388824_s.jpg
/upload_files/enclosure/202405/344388872.jpg /upload_files/enclosure_thumb/202405/344388872_s.jpg
/upload_files/enclosure/202405/344388920.jpg /upload_files/enclosure_thumb/202405/344388920_s.jpg
/upload_files/enclosure/202405/344388967.jpg /upload_files/enclosure_thumb/202405/344388967_s.jpg
/upload_files/enclosure/202405/344389016.jpg /upload_files/enclosure_thumb/202405/344389016_s.jpg
/upload_files/enclosure/202405/344389071.jpg /upload_files/enclosure_thumb/202405/344389071_s.jpg
/upload_files/enclosure/202405/344389120.jpg /upload_files/enclosure_thumb/202405/344389120_s.jpg
/upload_files/enclosure/202405/344389167.jpg /upload_files/enclosure_thumb/202405/344389167_s.jpg
/upload_files/enclosure/202405/344389209.jpg /upload_files/enclosure_thumb/202405/344389209_s.jpg
/upload_files/enclosure/202405/344389257.jpg /upload_files/enclosure_thumb/202405/344389257_s.jpg