儿童分类回收纸板 Kid Sorting Recycling Cardboard

小男孩小心地把纸板放进回收箱。非常适合环保活动、可持续发展教育，或从小就教导孩子简单的回收习惯和推广绿色生活的内容。

Young kid places cardboard into a recycling bin with care. Perfect for eco-friendly campaigns, sustainability education, or content teaching kids simple recycling habits and promoting green living from an early age.