这个故事主要讲述一位面临死亡的老太太死后来到天国，通过云鸟的引导逐渐认识到生命是可以互相变幻转换的、生死和大气循环一样不过是一场轮回。

This story is mainly about a dying old lady. After passing away, she comes to heaven. Through the guidance of cloud birds, she gradually realizes that life can change and convert with death. The two are nothing but Samsara like atmospheric circulation.