There are many lakes in China, and there are about 2,800 lakes with an area of more than one square kilometer. Lakes are an important source of fresh water for human beings, and they are also homes for aquatic organisms and birds to inhabit and multiply. In this episode, we will go to Baiyangdian Lake and the shore of Taihu Lake to experience the charm of the water town of "fish play on lotus leaves, birds to live in reed flowers", go to Poyang and Dongting to experience the myriad weather of Tongjiang Great Lakes, and see how the remarkable pine diversion project reshapes the beauty of Chagan Lake.