A cross-sectional view of a cave inside a mountain, showing different poses and activities of animals in different caves, a total of three caves, left and right composition, each cave between the mountain partition, the left cave is a desert climate, the middle cave is a snow and ice climate, the right cave is a grassland climate. The climate of each cave is very different. There are animals in the cave. The background of the night is dark, and the moon shines in from outside. The snow on the walls indicated that it was winter there.