地球上的大河Earth's great rivers...…进行非凡的旅行..make extraordinary journeys.穿越大 ♥陆♥Carving through continents...…抚养和延续生命..feeding and connecting life...…培育文化..nurturing culture...…提供一个冒险的地方..providing a place for adventure.从育空区冰冷的荒野From the frozen wilderness of the Yukon...到赞比西热带的炎热..to the tropical heat of the Zambezi...还有多瑙河的神奇而隐蔽的世界..and the magical, hidden worlds of the Danube...大河是地球的命脉..great rivers are the lifeblood of Planet Earth.地球壮观河流II赞比西在非洲的中心地带In the heart of Africa这是一片森林is a forest.一个神圣的地方A sacred place.隆达人叫它“yambeshi"The Lunda people call it "yambeshi”…...一切的核心..the heart of everything.这里是清泉Here, a clear spring气泡浮到水面bubbles to the surface.一条大河的源头The source of a great river.一天，河马♥会♥在暗色的深潭中打滚 One day, hippos will wallow in its deep； dark pools... 大象将与危险的水流搏斗。
And right away, they start feasting on their prize丰富的植物of rich vegetation.大象一天可以吃300公斤食物But elephants can eat 300 kilos of food in a day.所以他们很快就能品尝到这里最美味的食物So they1!! soon get through all the tastiest pickings here...…他们将不得不再次在赞比西河里碰运气..and will have to take their chances with Zambezi all over again.维多利亚瀑布标志着下一个伟大的转变Victoria Falls marks the next great transformation赞比西for the Zambezi...整条河都被地球上的一个大裂口吞没了..as the entire river is swallowed up by a great chasm in the Earth.被困在25米宽的峡谷里，Trapped in a channel just 25 metres wide, 赞比西河现在横穿非洲的岩石中心the Zambezi now carves down through the rocky heart of Africa...形成140米高的垂直墙..forming sheer walls of 140 metres high.这是巴托卡峡谷This is the Batoka Gorge.赞比西河在这里的景象And it's here that the Zambezi conjures up another phenomenon...…不如维多利亚瀑布知名，..less well-known than Victoria Falls,但同样独特but just as unique.赞比西波浪The Zambezi Wave.冲浪完美适合那些敢于尝试的人Surf perfection for those brave enough to try it.你能带冲浪之类的东西来这里，真是太疯狂了It's crazy that you can bring something like surfing here.米奇•费波是一名职业冲浪者Mikey February is a professional surfer.他在这里，离最近的海洋600英里，He's here, 600 miles from the nearest ocean,在赞比西的波浪上冲浪to surf the Zambezi Wave.这是一生中的一次，只有少数人真正做到，It's once in a lifetime, and only a few people have actually done it, 我认为这是，你知道，最特别的局部之一and I think that's, you know, one of the most special parts真的来这里of actually coming here.米奇在今年的关键时点来到赞比西Mikey has come to the Zambezi at a key point in the year.随着旱季的到来，经过三、四个月后，As the dry season returns, over a period of three or four months, 河水又变了the river changes again.维多利亚瀑布开始停歇Victoria Falls starts to switch off.每年，赞比西河都会经历这些戏剧性的周期Every year, the Zambezi goes through these dramatic cycles...当瀑布干涸时，水流会减少50倍..with 50 times less water flowing over the falls when it's dry.但这是因为峡谷的水位开始下降But it's as the water levels in the gorge start dropping这样的环境才适合冲浪that conditions become just right for surfing.当水位降到足够低时，When the water gets low enough,它开始与岩石相互撞击it starts to interact with a rocky河床上的底岩shelf on the riverbed...形成赞比西波浪..and forms the Zambezi Wave.保持在同一位置的波浪，A wave that stays in exactly the same place,并且不断地变化and breaks continuously.但只持续十天But only lasts for ten days.即使像米奇这样的职业选手，Even for a pro like Mikey,赞比西波浪the Zambezi Wave is也不能被轻视not to be taken lightly.有石块，你知道，You have rocks, you have, you know,急流汹涌，水流湍急hectic rapids and the water's moving以一种与海洋截然不同的方式in such a different way to the ocean.恐惧等级相当高The fear factor is quite high.因为波浪是由水面下的一块岩石形成的，Because the wave is formed by a slab of rock just beneath the surface, 冲浪很危险surfing it is dangerous.还有急流And then there are the rapids.米奇需要尽快离开翻泡沫的水，Mikey needs to get out of the white water as fast as he can,在他被冲到下游之前before he gets swept downstream.他划着桨去河岸上的聚集点He paddles for the pickup point on the riverbank.但水流太急了But the current is too strong.这就是他在水中的经验This is where his experience in the water comes in.保持冷静He keeps calm.平安皮划艇手马上就来帮助And the safety kayaker is immediately on hand to help引导他摆脱困境guide him out of trouble.米奇渴望再试一次Mikey is keen to try again.赞比西波浪很像捕捉海浪The Zambezi Wave is pretty much like catching an ocean wave但反过来，因为海洋在推动你前进，but in reverse, because the ocean is pushing you forward河流却显然是反方向的and the river is obviously going the opposite way.这只是一种完全不同的体验Ifs just a completely different experience.一旦你第一次得到它，Once you get it the first time, 然后你会得到一个判断then you actually kind of get a gauge你应该做什么of what you should be doing.当你摔倒的时候，你知道你会期待什么And you kind of know exactly what to expect when you fall.我在这波浪里冲浪时，确实很害怕I did get scared surfing this wave.这就像冲浪和生存模式的平衡，It's like a balance of, like, surfing, survival mode,冲浪，生存模式之类的surfing, survival mode kind of thing.我想你在河里和海浪上待的时间越多，I think the more time you spend in the river and on the wave, 你会学到新的东西you learn new things about it.它移&hearts动♥的方式，注意到它的细微之处The way it moves and noticing its, you know, little subtleties.它也很美，你知道，It's also so beautiful, you know,显然你可以在这波浪中冲浪，obviously you get to surf this wave,但你也可以欣赏赞比西河和其他一切but you also get to appreciate the Zambezi and everything 这是它提供的that it has to offer.从峡谷出发，赞比西。