translation.en: And where it's landing to bring the twigs to the cliff, its feathers brushes the rock -- and it had cut the rock six to eight inches in. There was a cleft in the rock by the brushing of the feathers of generations of the birds.
translation.zh: 鸟儿把衔来的小树枝放在悬崖壁上， 翅膀的羽毛不停的拍打着岩石，接着那羽毛居然陷进了岩石里面， 达到了6到8英尺。事实上，在岩石上已经是有一条裂缝， 这条裂缝是鸟儿经过了数代子孙的努力，通过羽毛的拍打在石头上慢慢的磨出来的。