A flock of sheep (Total 5,555) lives in a grassland with lush water and grass, and this flock is managed by a shepherd. The shepherd worked diligently and drove the sheep from the pen to the meadow every day to graze, while he himself sat under the shade of a tree to rest and the sheep dogs to manage the flock. From the top of the mountain to the bottom, from the top of the meadow to the river valley, from early morning to dusk, from yesterday to today ......