地球脉动 III
字幕翻译：村儿南
乍一看之下 Forests at first sight
森林似乎十分宁静 may seem quiet and tranquil.
然而如今人类可以用新的方法探索森林 But today we can explore them in new ways...
从全新的角度观察森林 ..and from a new perspective.
事实上 林间遍布着意想不到的联系 And, in fact, they're full of unexpected connections,
密切的关系 relationships
回荡着万物的声息 and even secret messages.
直到如今 我们才发现 Only now are we discovering
森林实际上是多么的 how strange and complex
奇特且复杂 forests actually are.
第五集 森林
婆罗洲热带雨林 The rainforest of Borneo.
一对冠斑犀鸟重修旧好 A pair of oriental pied hornbills are renewing their partnership.
它们一生相伴 They mate for life.
今年的筑巢季节才刚开始 And this year's nesting season is just starting.
在携手面对未来的挑战前 Before they face the challenges ahead,
它们重新确认了彼此间的关系 they reaffirm their bond.
为此有一种特别的仪式 And they do so with an unusual ritual...
将在它们熟悉的蝙蝠洞口举行 ..at the entrance to a bat cave that they know well.
这份奇特的礼物 This rather curious gift
通常不会出现在冠斑犀鸟的菜单上 isn't normally on their menu.
但这样的礼物既是情之所钟的象征 But it both demonstrates devotion
又是雄鸟供养伴侣的保证 and reassures the female that her mate will provide for her.
在接下来的几周 雌冠斑犀鸟 In the coming weeks, she will depend on him
将以最异乎寻常的方式完全依赖于雄鸟 in the most extraordinary way.
对于鸟类来说 筑巢是一个危险的时期 Nesting is a dangerous time for any bird.
树干上的洞 The hole in this tree trunk
将提供重要的保护 will provide vital protection.
正是雌鸟需要的 Just what she wants.
在树洞中安顿下来后 Once settled inside...
雌冠斑犀鸟的举动异乎寻常 ..the female does something truly bizarre.
它将羽毛扯了下来 She pulls out her flight feathers.
雌鸟不再需要羽毛了 She is not going to need them
因为它将在树洞中度过很长一段时间 because she will be staying in here for quite some time.
这里不仅狭小 It's not only a little cramped,
而且家徒四壁 it also lacks basic amenities.
现在雄鸟衔来了泥 Now her partner brings her a beakful of mud.
雌鸟开始将自己封在树洞中 And she begins to seal herself in.
雌冠斑犀鸟将树洞 She has turned the tree hole
打造成了一座抵御捕食者的堡垒 into a predator-proof fortress.
但同时 But it's also...
也是一座监狱 ..a prison.
伴侣雄鸟定期前往树洞 Her partner, however, is a regular visitor.
接下来的两个月 雄鸟会将食物 For the next two months, he will deliver all her food
直接送到树洞口 directly to her door.
但雌鸟也会有些挑剔 But she can be fussy.
这份工作不好做 He's going to have his work cut out.
味道不错 Delicious.
看起来似乎雄鸟承担了所有的工作 It may seem that he has been doing all the work...
但雌鸟实际上也忙得不可开交 ..But she, too, has been fully occupied.
雄鸟提供充足的食物帮助雌鸟产下 The food he has brought has enabled her to produce
两枚珍贵的蛋 two precious eggs.
接下来的六周内 雌鸟将保护雏鸟的安全 She will keep them safe for another six weeks
直到它们羽翼已丰 until the young have grown and fledged.
随后 冠斑犀鸟母子 And then, both she and they
将破开束缚 翱翔天际 will break out of their confinement.
但在那之前 But until then...
这对尽职尽责的冠斑犀鸟将异常忙碌 ..this devoted couple are going to be very busy indeed.
温暖湿润的热带雨林 The warmth and the moisture of rainforests
使其居民在数量和种类上 enables their inhabitants to flourish
都得以蓬勃发展 in both numbers and variety.
在这里 亚马逊热带雨林中 生活着许多奇特的物种 And here, in the Amazon, live many strange species.
这是一只角蝉 This is a treehopper.
是这片森林中数百种角蝉之一 One of hundreds of different types in this forest.
角蝉不仅长相奇特 They not only have a bizarre appearance...
而且会以非同寻常的方式 ..but they also communicate...
相互交流 ...in a remarkable way.
角蝉振动身体释放信号 Vibrating their bodies, they send signals
通过脚下的植物传播 through the forest plants they live on.
大部分信号我们只能通过特殊麦克风听到 Most of these messages we can only hear by using special microphones.
每一种角蝉都有着自己的声音 Each treehopper species has its own repertoire.
而每一种声音 And every sound...
都传递着特别的讯息 ..has its own particular meaning.
也许是为了吸引异性 Whether it is to attract a mate...
也许是分享食物的位置 ..share information about food...
也许是警告同胞捕食者的出现 ..or warn each other about the arrival of predators.
角蝉母亲与孩子进行沟通 This treehopper mother communicates with her young,
鼓励它们聚在一起 encouraging them to stay together
这样母亲就能保护它们 so that she can protect them.
因为这里有很多眼睛正盯着它们 For there are plenty here waiting to eat young treehoppers.
蚂蚁 Ants...
四处寻找食物 ..on the hunt.
角蝉知道如何自卫 Treehoppers know how to defend themselves.
但并非总能化险为夷 But not all threats are so easily dealt with.
猎蝽 An assassin bug.
有着锋利的口器 Armed with piercing mouthparts
以及富有粘性的前腿 and sticky front legs...
对角蝉幼虫来说是极大的威胁 ...capable of literally sucking the life out of her entire brood.
角蝉母亲试着挡住猎蝽 She can try to block the assassin's path.
但它无法兼顾每个孩子 But she can't guard them all.
它急需空中支援 She needs help from friends in high places.
蜜蜂 Bees.
一帮气势汹汹的蜜蜂 They're very aggressive.
猎蝽万料不到如此局面 This is more than the assassin bug bargained for.
大功告成 Mission accomplished.
角蝉一家安全了 Her brood are safe.
蜜蜂的保护不是免费提供的 The bees don't protect the treehoppers for free.
蜜蜂挠一挠角蝉的背部 A little tickle on a treehopper's back...
便会分泌出一种含糖的液体 ..and they exude a sugary liquid.
蜜露 Honeydew.
保护任务完成后的甜品奖励 A sweet reward for protecting them.
这只是森林中万千物种 It's just one of the countless ways
相互合作的无数方式之一 in which forest species work together.
在印度的森林中 In the forests of India,
回荡着一种独特的声音 you can hear a unique and truly extraordinary sound.
这是豺 These are dholes...
一种会吹口哨的野狗 ..wild dogs that whistle.
如同角蝉 豺也在秘密交流 Like treehoppers, they, too, communicate in secret -
但交流的目的有所不同 but for a different reason.
在茂密的柚木林中捕猎十分困难 Hunting in a dense teak forest is difficult...
而当猎物是猎人的三倍大时 则尤其困难 ...especially so if your prey is three times your own size.
豺想要捕猎成功的唯一方式 The only way for dholes to succeed
便是团队合作 is to work as a team.
这一家豺养育着四只幼崽 This family has four growing pups.
一只花鹿能喂饱整个家族 A chital deer could feed the entire pack.
豺群必须尽可能靠近花鹿 The pack must get close...
悄无声息地靠近 ...without being detected.
但四周都是敌人的眼线 But with eyes and ears everywhere...
豺的踪迹很快就暴露了 ...the deer are soon aware of the dogs' presence.
豺群不能放弃 The pack can't afford to give up.
它们决定在这里碰碰运气 They may have better luck here.
茂密的植被提供了更好的掩护 The vegetation is dense and provides better cover.
但同时豺也很容易跟丢大部队 But the dholes could easily lose track of one another.
它们独特的口哨派上了用场 So they use their unique whistles.
只有豺才能理解 Only dholes can understand
这种轻声低语背后的意思 these quiet, unobtrusive calls.
现在豺群各就各位 Now they take up their hunting positions...
尽管看不见彼此 也能默契合作 ...even though they can't see each other.
花鹿被包围了 With the deer surrounded...
豺群在等待进攻的信号 ...the dholes wait for the signal to attack.
一些豺将鹿群驱散 Some of the dholes split the herd...
并将一只雄鹿赶向设有埋伏的位置 ..and drive a stag towards others waiting in ambush.
豺群轻声低语的能力 The dholes' ability to communicate so quietly
使它们可以保持联系 enables them to stay connected,
并得以在纷乱的森林中成功捕猎 and so hunt successfully in the tangle of their jungle.
中国中部的山林 The mountainous forests of central China.
直到最近 这些森林还不为人所知 Until recently, these were among the least known of forests.
盘旋的水雾笼罩森林 They're full of swirling mists,
鲜有外人了解 and few outsiders had any idea
森林中隐藏着什么 of what they might contain.
在如此茂密植被中生存 Living in such dense vegetation,
一切的踪迹 it's difficult to make yourself seen...
都被掩藏在绿海之下 ..even when you want to be.
这对于这只雄性红腹角雉来说无疑是个坏消息 And that's a problem for this male Temminck's tragopan.
它已经孤单了一辈子 He has lived most of his life alone.
而现在正当它的第一个繁殖季节 And this is his first mating season.
雄红腹角雉需要让自己在林地上变得引人注目 He needs to make himself conspicuous in the gloom of the forest floor,
它找到了一片适宜的空地 and he's found a clearing where he might do so.
一只雌性红腹角雉 A female.
雌雉也在寻找伴侣 She, too, is looking for a mate.
雄雉的机会来了 This could be his moment.
糟糕 Oh, dear.
怯场了 Stage fright.
这是谁 And who is this?
一只雄性红腹锦鸡 A male golden pheasant.
它也是看中了这片空地 He, too, has come to this clearing...
前来求偶 ...to attract a female.
雄红腹锦鸡似乎更加自信 And he seems a little more confident.
标准的舞步收获芳心 So that is how it's done.
雄红腹角雉也许还有机会 The tragopan might still have a chance.
新来了一只雌雉 Here is a new female.
能吸引到它吗 But is she interested?
是时候大胆一点了 It's time to be bold.
雄雉竖起一对角 He pumps up a pair of horns
展示多彩的领巾 and a multicoloured bib.
令人惊奇的一幕 It's a sight to be wondered at.
这样的表演从未在野外拍摄过 And it has never before been filmed in the wild.
倒霉的一天 Not today.
真让人泄气 How deflating.
加拿大西部的温带雨林 The temperate rainforests of western Canada.
这里有些树已经年逾千载 Some of the trees here are 1,000 years old.
正值秋天 一场年度奇观拉开了帷幕 It's autumn, and the beginning of a spectacle that each year
为这片森林及万千生命带来了巨大变化 transforms this forest and all that lives in it.
在海中生活数年后 成千上万条太平洋鲑鱼 After years at sea, thousands of Pacific salmon
洄游至这些溪流以繁殖 are returning to these streams to breed.
这项盛事吸引了森林中最罕见的居民 And they attract the forest's rarest resident.
白灵熊 A spirit bear.
黑熊中的一种白色亚种 A white variant of the black bear.
种群数量不足150只 Fewer than 150 exist,
仅分布在此处 and they're found only here.
这只雌性白灵熊已经在这里捕捞鲑鱼长达20年了 This female has fished for salmon here for 20 years.
把握好时机 Get your timing right...
就会有丰富的回报 ..and there can be great rewards.
事实上 这只雌熊年轻时比黑熊 In her youth, she was, in fact, even more successful
更擅长捕鱼 than the black bears.
也许是因为白灵熊白色的皮毛 Perhaps her pale coat makes it difficult for the fish to see her
在白天不容易被鱼发现 against the bright sky,
给它带来捕鱼的优势 and that could give her an advantage.
但如今雌熊已经老了 But now she is old,
捕鱼一年比一年困难 and this year she's finding it hard.
然而 它精湛的捕鱼技巧还没有彻底丧失 Her fishing skills, however, haven't totally deserted her.
一年一度的鲑鱼盛宴帮助它增肥 This annual feast helps her to fatten,
为即将到来的寒冬做准备 ready for the winter ahead.
同时也有益于这片森林 But it also helps the patch of forest where she lives.
白灵熊与森林有着非比寻常的关系 This female has an unusual relationship with the forest.
白灵熊剩下的鲑鱼尸体会渐渐腐化 Every fish carcass she leaves behind decays,
释放营养物质渗入土地 releasing nutrients that soak into the soil.
在土地之下 And there...
由真菌构成的网络收集这些营养物质 ..they are collected by a network of fungi.
真菌依附在树的根部 The threads attach themselves to the trees' roots.
如此一来 鲑鱼释放的营养物质 被真菌收集 And nutrients from the fish, collected by the fungi,
随后传递给了树木 are then passed on to the trees.
因此 河边的树林 As a consequence, the forest around the river
生长速度是别处的三倍 grows three times faster than elsewhere.
这里有些树生长成了世界上最高的树 And some trees here become as tall as any in the world...
为白灵熊提供了一个健康的森林家园 ..and provide spirit bears with a healthy forest home.
这样的依存关系在全世界的森林中普遍存在 We now know that such relationships exist in forests all over the world.
而依存关系的中心 At the heart of these many connections
矗立着这样的大树 stand giant trees, like this one.
吉贝木棉 A kapok.
约200年前 一枚种子根植地下 It started life as a seed some 200 years ago.
如今长成60米高的参天大树 Now it towers 60 metres above the forest floor...
每天将1000升营养丰富的水 ..and transports 1,000 litres of nutrient-filled water
从根部输送到树冠 from its roots up to its canopy every day.
这颗巨树也孕育着生命 So this giant gives life to others.
一整个动植物群落的兴衰 A whole community of animals and plants
取决于这颗吉贝木棉的存亡 depends on the wellbeing of this one tree.
砍伐树木只需弹指一挥间 A single cut made in just a few moments
而百年来生命建立的密切联系就此断绝 has broken thousands of long-established connections.
世界各地的森林中 Across the world's forests,
这样的悲剧不断上演 this story is being repeated endlessly.
每年多达150亿颗树 15 billion trees
被人类砍伐殆尽 are cut down every year.
每一棵树本身 Every one of these trees is, in itself,
就是一个复杂的生态系统 an intricate ecosystem.
然而在巴西 取代多样化森林的是 But here in Brazil, they're being replaced
单一树种的种植园 by plantations of a single species of tree.
来自澳大利亚的桉树 Originally from Australia...
无法与当地大多数动植物建立联系 these eucalypts are unable to build relationships with most of the native plants and animals.
更糟糕的是 这些外来品种生长速度过快 And, worse, these newcomers grow so rapidly
以至于它们从土壤中吸收营养的速度 they extract nutrients from the soil
快于能被取代的速度 faster than they can be replaced.
曾经丰富而复杂的世界 And what was once a rich and complex world...
变成了一片绿色沙漠 ..becomes little more than a green desert.
这些桉树生长五年后 And at just five years of age...
便会受到砍伐 ..their lives are ended.
轰然倒下 随后被运走 They're felled and taken away.
木材被用作制浆造纸 Their wood is then pulped to make paper.
丰富多样的热带雨林 And all that remains of the rich rainforest
已然所剩无几 are a few tiny patches.
过小的林地 使得很少有原始居民 Patches so small that few of the original inhabitants
能继续生存其中 are able to survive in them.
非洲东部 乌干达 Uganda, East Africa.
这一小群黑猩猩 This small group of chimpanzees
对数代传承下来的这片森林领地 have a detailed knowledge of the forest territory
有着详尽的了解 that they inherited from previous generations.
它们知道哪里是最佳的避难处 They know the best places to shelter,
最佳的育婴室 to raise their young...
最佳的觅食地 ..and to feed.
这棵果树 This fruiting tree
无法长久维持黑猩猩群的生活 cannot by itself sustain the chimps for long.
雄性黑猩猩首领示意是时候离开了 The alpha male signals that it's time to move on.
首领走到哪里 大家便跟到哪里 Where he goes, others will follow.
雄性首领没有引它们到另一棵果树 He leads them not to another fruiting tree...
而是来到了一片新世界 ..but into a new world.
这条新修的公路 This road, only recently built,
横贯黑猩猩群的领地 has cut through their territory.
雄性首领十分谨慎 The alpha male is cautious.
它的母亲正是在这条公路上丢掉了性命 His own mother was killed on this road.
雄性首领要确保迟缓的家族成员 He makes sure it's clear before crossing
也能安全通过 with the slower members of his family.
如果黑猩猩群想要得到填饱肚子 If the group is to get what they need...
它们就不得不违背本能 ..they will have to go against their natural instincts...
而接近人类 ..and approach humans.
好在新的邻居十分友好 But their new neighbours are friendly.
他们允许黑猩猩采摘 And they allow the chimps to collect...
菠萝蜜 ..jackfruit,
菠萝蜜是最大的树果 the largest of all tree fruits.
人类的园圃中终年种植有菠萝蜜 Jackfruit grow all year round in people's gardens.
相比于黑猩猩在所剩无几的森林中 And they're more nutritious
能找到的有限野生食物来说 than the limited amount of wild food
菠萝蜜更有营养 the chimps can now find in what remains of their forest.
但这是一片全新的世界 But this is a new world...
一种全新的关系 ..and a new relationship.
需要建立新的共存边界 New boundaries need to be established.
一些黑猩猩开始食用 Some of the chimps start to help themselves
人类的庄稼 to people's crops.
黑猩猩群不再受欢迎了 They have outstayed their welcome,
雄性首领决定是时候离开了 and the alpha male decides that it's time to leave.
每天 黑猩猩都要经历这样的危险旅行 The chimps make this dangerous journey every day.
然而这些高度智慧的动物 But these highly intelligent animals,
也是人类最近的亲属 our closest living relatives,
已经勉强设法 have managed, just about,
在这个不断变化的世界中 to carve out a place for themselves
开辟了属于自己的一片天地 in this changing world.
动物与森林 Animals have maintained
长期以来维系着密切的联系 a long-established relationship with forests.
但随着人类持续断绝与万千生命的关系 But as we continue to break our connections with them,
有一个问题非同小可 the question is,
那就是这些生命究竟还能存活多久 for how much longer will they survive?
毫无疑问 重建这份联系的时候到了 Surely, the time has come to rebuild them.
幕后花絮
多年来 Over many years,
我很幸运能够观察生活于自然家园的黑猩猩 I've been lucky enough to watch chimps in their natural home,
比如在非洲西部这片茂密的森林中 such as here in the thick forests of West Africa.
黑猩猩 Chimpanzees.
安宁和谐的丛林生活 A peaceful scene of jungle harmony.
富有经验的雄性黑猩猩 The experienced male...
安坐于此 ..is sitting right there.
但许多黑猩猩的生活 But the lives of many chimpanzees
如今正发生巨大的变化 are now changing dramatically.
在乌干达 过去十年中 Here, in Uganda, over the last decade,
黑猩猩失去了80%以上的森林家园 they have lost over 80% of their forest home.
没有保护区可供它们居住 They don't live in a protected area.
为了生存 黑猩猩必须与此处 To survive here, they have to live alongside
约200个农耕家庭朝夕相处 the 200 or so human families who farm here.
黑猩猩总是从森林中来到这里 The chimps always come from the forest.
来我的地里吃菠萝蜜 They come to eat jackfruit from my land.
黑猩猩认识我们的长相 They know us by our faces,
反过来我们也认识它们 as we know them by their faces, as well.
为了讲述这个非凡的黑猩猩群的故事 To tell the story of this remarkable chimp group,
「地球脉动」摄制组与当地居民展开合作 the Planet Earth team are working with these residents.
那是谁 汤姆 Who was that, Tom?
这是阿拉利 This one was Araali.
汤姆是布林迪黑猩猩社区项目的一份子 Tom is part of the Bulindi Chimpanzee and Community Project.
15年来 汤姆每天都在研究黑猩猩 He's been studying the chimps every day for the last 15 years...
目睹了这里的变化 ..and has seen the change first-hand.
很多事情都变了 Very many things have changed.
过去黑猩猩看到人类时 会赶紧跑开 When chimpanzees were seeing people, they would run.
跑得特别快 Run very quickly and go.
但现在已经无动于衷了 But now they just stand.
因为它们不管到哪里 Because everywhere they go,
都能遇见人类 they find a person.
黑猩猩通常很难在野外拍摄 Chimps are normally tricky to film in the wild.
但在这里 摄制组惊讶的发现 But in this human world, the crew are surprised
很轻易便能接近黑猩猩 by how easy it is to approach them.
另一只沿路过来 Another one coming up the path.
但在森林里 But back in the forest,
情况就不一样了 it's a different story.
在这里 黑猩猩似乎对于外来者很谨慎 Here, the chimps seem wary of the newcomers.
有一条水沟 There's a ditch there.
摄制组看到的 All the crew get to see...
往往是些猴屁股 ..is a lot of bottoms.
今天为了追黑猩猩白费了一下午的功夫 This afternoon, the chimps have been taking us on a wild-goose chase.
它们来来回回过河 They've crossed the river and then they've crossed back,
我们在树林里时在我们身边经过 gone past us while we're in the woods,
现在它们又消失了 and then now they've disappeared again.
拍不到黑猩猩 When we don't have chimps...
那就拍山羊 ..we film goats!
在黑猩猩的森林家园中 Here, in the chimps' forest home,
想要取得它们的信任需要时间 it's going to take time to earn the group's trust...
我想他们找到了摩西 I think they found Moses.
认识一下 ..and get to know one another.
这是杰克 This is Jack.
两周后 地面上的情况有所好转 After two weeks, things are improving on the ground.
但黑猩猩对树上的摄影师做何感想呢 But what will the chimps think of the crew up in the trees?
我看到一群黑猩猩抬头看我 I can see a bunch of chimp faces looking up at me.
这对它们来说也是一种新体验 This is a new experience for them.
我怀疑它们从没见过人类在树上 I doubt they've ever seen a human in a tree before.
因此 希望它们能接受我 So, hopefully, they accept me.
经过数小时的等待 After hours of waiting...
成功了 ..success!
所有本来抬头看我的黑猩猩 All the chimps that were on the ground looking up at me
现在都高兴地坐在树上 are now happily in the tree,
这是它们接受我的一个好迹象 which is a really good sign that they've accepted me.
这是我们第一次能在同一个高度上 It's the first time that we've been able to see at their level
观察它们进食 while they're feeding.
对于摄制组来说 让黑猩猩接受自己 For the crew, it has taken a long time
花了不少时间 to gain the chimps' acceptance.
但事实上 这里的黑猩猩证明它们可以 But, in fact, the chimps here have shown that they can
对人类的存在做出迅速的反应 respond quickly to the presence of people.
黑猩猩智慧程度很高 Chimpanzees are highly intelligent.
如果你砍伐大片森林 If you cut down the forest,
黑猩猩就会反过来吃你的庄稼 well, chimps will start eating human crops.
如果你在它们的活动范围里修马路 If you divide their range up with roads and, you know...
它们就能学会过马路 Well, chimps will end up just learning to cross the roads.
动物可以适应日益受人类活动影响的环境 The animals can adapt to an increasingly human environment.
问题是 人类能容纳黑猩猩这样的动物吗 The question is, can people accommodate an animal like a chimp?
黑猩猩可能很危险 Chimpanzees can be dangerous.
与黑猩猩一起生活是一种复杂的经历 Living alongside them is a mixed experience.
如你所见 我们的生活很困难 As you can see, life is a struggle for us
我们的很多庄稼都被黑猩猩糟蹋了 Many of our crops are being destroyed by these chimps.
当地社区与研究项目一直在合作 The local community and the project have been working together
试图减少这些问题的影响 to try to decrease the impact of these problems.
八年来 Over the last eight years,
莉莉安和家人 Lilian and her family
种植了当地的树种 have planted native seedlings on her land
留下了一片土地供森林再生 and left her patch of forest to regrow.
如果我们砍掉树木 黑猩猩就只能占领我们的房子 If we cut it, they come and sleep in our houses,
所以我们应当为它们留下一处家园 so we should leave that place for them.
如果不打扰它们 If you leave them and you don't disturb them,
黑猩猩实际上是和平的动物 they are peaceful animals.
随着其他居民的效仿 With other residents following suit,
有积极的迹象显示森林正在回归 more of the forest is showing positive signs of return.
还有很长的路要走 There is a long way to go,
这些黑猩猩依然前途未卜 and the future for these chimps remains uncertain.
但只要人与自然生命能和平共处 But where peaceful coexistence can be built,
便仍有希望 there is hope.
下一集 Next time...
极端环境下动物的顽强抗争 ..animals battle the elements in a world of extremes...
生命如履薄冰 ..where life exists on a knife edge...
这里上演着地球上最伟大的自然奇观 ..in Earth's greatest natural wonders.
「栖息地探索者」生动地展现动物和它们的栖息地 Habitat Explorer brings animals and their habitats to life.
探索这个免费互动程序并制作折纸动物 Explore this free interactive, and make origami animals.
前往bbc.co.uk/planetearth3 Go to bbc.co.uk/planetearth3
点击链接进入开放大学 and follow the links to the Open University.
或者订购免费印刷版 Or to order a free printed version,
欢迎访问网站或拨打屏幕上的号码 visit the website or call the numbers on the screen.