The left-over food was collected as organic fertilizer by the farmers in the suburb regularly and most of the industrial waste was gathered as renewable resources by waste-pickers.

• "垃圾分类"----政府做不到的事；在这个穷街区却实现了.；这个街区老百姓并不懂得垃圾分类；也无环保意识；更无政府宣传组织；但为什么能自觉进行垃圾分类呢?