Besides the cats and dogs roaming the streets, the eternal piles of garbage attract and become the survival laboratories for more daring animals. The wastemeisters--rodents--are going in precisely the opposite direction from other mammals; while others are declining in number, they are increasing daily, running rampant, contaminating food, and spreading disease.
三年後，草木被伐除、山被剷平，樓房代之而起，蝴蝶幼蟲缺乏寄主植物，跟著消失。