This is a new type of farming model. As you can see, the fish pond is actually connected to the pigsty. While the piglets are resting comfortably, the fish beneath them swim around freely. In some regions of China, clever farmers have invented this ingenious fish–pig integrated farming system. The idea is simple: by digging a channel between the pigsty and the fish pond, the fish can freely move back and forth. The pigs’ waste becomes natural nutrients for the fish, while the fish help keep the