What are some things that are common in China but not in foreign countries?

Fighting Weapons against the Four Pests - Fly Swatter Being in Australia, you never know how important a fly swatter is to you. Australia's flies are not only abundant, and probably due to the sparseness of the land, so the flies here have a unique sense of dependence on human beings, they fly in groups, especially like to circle around the human face, the mouth, the nose is more of their habitat preferred place. Any you hit a set of left swing right swing, they just meander around a circle. And in case you happen to speak at this time, then congratulations, you have become the nth person to eat flies!