There is more between heaven and earth.

Air, water, and land make up life on Earth, but there is more between heaven and earth—hear the screeching and noise of animals, people, and vehicles, the whistling of birds, the silence of the forest and the sea. Air, water, and land... does life like that on planet Earth exist in another galaxy, too? But who can say—yes, who can say—air, water, and land.