大自然中,有无数的生物在奉献自己。他们不求回报,只为了更完美地展现自己生命的光辉。在悬崖边,有一座天梯,直通云霄,这里的人们,犹如生活在世外桃源中一般与外界相隔,没有人会无缘无故地下天梯。然而,有两个人却在天梯间艰难地往返,他们是李桂林和 In nature, there are innumerable creatures dedicated to themselves. They do not seek retribution, only to show their life more brilliant. In the cliff, there is a ladder, through the skies, people here, as if living in paradise generally separated from the outside world, no one will step down under the sky for no reason. However, two people had a difficult journey back and forth between the stairways, and they were Li Guilin