Imagine ten thousands ago the world may look like this, water run to the sea, never back,never stop .Very few of people live here as a visitor ,as an observer,,and protagonist is always the nature .Respect! 遥想万年前,世界的许多地方可能就是都是这个样子,瀑布奔海,义无反顾,而偶尔到访的人类们,一直只是个观察者,拜访者,主角永远是大自然。