In the near pitch-dark, you can hear them before you see them — millions of cockroaches scuttling and fluttering across stacks of wooden boards as they devour food scraps by the ton in a novel form of urban waste disposal.
The air is warm and humid — just as cockroaches like it — to ensure the colonies keep their health and voracious appetites.
Expanding Chinese cities are generating more food waste than they can accommodate in landfills, and cockroaches could be a way to get rid of hills of food scraps, providing nutritious food for livestock when the bugs eventually die and, some say, cures for stomach illness and beauty treatments.
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