Swan Lake is an ecological-friendly scenic spot with the most beautiful scenery. There, in the lake area, raised more than 30 rare species of state-level protected birds, such as white swan, black swan, white crane, and oriental white stock, etc. Every winter, there will be hundreds of migrating swans staying here for the winter. There are nearly 200 swans in the largest flock. You can not only observe from far the elegance of various birds flying pass the water surface, but also can step onto the view terrace to have a close interaction with the birds.