A fallen pine tree can be a godsend, 一颗倒下的松树会是意外的收获

but it can also be a sign that the river isn't always a safe place to be. 但是也表明了这条河流并不是安全之地

Stop, stop!The water level here is definitely rising. 停  停 水面正在上升

Look back up to the waterfall.There's definitely more water coming down that. 往回看这个瀑布 水量明显变多了

Okay, I want us out of the water, okay? 我们赶紧离开这条河

It may be a small change,but if a jungle river like this starts to rise, 那或许只是一个小小的变化 但是  丛林河流如果开始这样上涨

you've got to get out before it's too late.Up you come, up you come, up you come. 就得在事情变糟以前赶紧离开 你上来一点  你上来一点

Good. I've got you.A surge in water after heavy rain in the mountains or a dam opening upstream, 好  我抓住你了 山林一场大雨之后或者上流大坝开闸   水量就会猛然上涨

whatever the cause, the effects can be devastating. 无论什么原因  后果都是毁灭性的

Whoa, look, look, look, look!Look at the waterfall! 看  看  看 看那瀑布

That was just a kind of small torrent before. 刚刚还只是小水流而已

There is a load more water coming down here now. 现在却是大股的水流奔腾而下

That wind is just incredible.You want to see what a surge or a flash flood looks like? 风大得难以置信 你想看看什么是汹涌澎湃吗 或者山洪暴发是什么样吗

Look at that.or a flash flood looks like? 这就是 山洪灾害的频发困扰着越南

In 2008, over 100 people were killed in a single flash flood caused by a tropical storm. 2008年  由于热带风暴 每场山洪就会导致超过100人的死亡