I'm here in the jungles of the Yucatan
我在尤卡坦半岛的丛林里
which is not the kind of place you'd normally expect to find an underwater kind of guy like me
通常，你不会想到我会来到这个地方潜水
but flowing beneath these forests are incredible underground rivers
这些森林下面竟流淌着地下河流
and in places holes in the forest floor like this one provide access to an amazing unseen world
森林地面的洞穴，比如这个，提供了通往神奇未知世界的入口
oh hi I'm Jonathan bird and welcome to my world
大家好，我是乔纳森·伯德，欢迎来到我的世界
the holes in the ground are called cenotes from a Mayan word meaning sacred well
这个洞穴被称为天然井，出自玛雅语，意思是神圣之井
but not all cenotes look like a hole in the ground
但并不是所有的天然井都像地面上的洞
some appear at first to be ponds
有些天然井乍看像池塘
yet they all share one common trait
然而它们都有一个共同的特点
their openings to underwater caves and caverns
通往水下洞穴和山洞
Mexico's Riviera Maya in the Yucatan Peninsula is a vast rainforest filled with hundreds of cenotes
位于墨西哥尤卡坦半岛的里维埃拉玛雅是一个巨大的热带雨林，有数百个天然井
there are thousands of miles of underground rivers here
地下河流绵延几千英里
my adventure begins first thing in the morning at h2o Pro diving in Tulum
早上第一件事就是去Tulum开始我的专业潜水冒险之旅
where we load our gear into a van to begin the journey out into the middle of nowhere towards the cenote
我们把装备装进一辆面包车，开启通往天然井的未知旅程
my guide Marco vogner is an experienced cave diving instructor
我的导游马尔科是一位经验丰富的洞穴潜水教练
who will keep me out of trouble with a safe introduction to the sport of cenote diving
他将给我介绍天然井潜水的安全知识，帮我解决潜水过程中面临的困难
so I can hardly wait to see this thing
我有些迫不及待了
unless you're specially certified for cave diving
除非你有洞穴潜水的专业证书
you should only dive with a local guide who knows the cenote well
否则只能在当地熟悉天然井的导游陪同下潜水，
today we're diving a famous cenote called Calavera
今天我们要去的是一个著名的天然井，叫做 Calavera
Calavera means translated skull
Calavera翻译出来是头骨的意思
and you see the big mouth and to see the small eyes
看这大口和小眼
this all the small eyes where we see mine in the dive where the light beams are coming in and it look like fiscal lasers
这就是我们在潜水时看到的小眼，光束从小眼照射进来，看起来像是激光器
wow this is really way out the jungle
哇，这个丛林小路真是太棒了

how do you think anybody found this place
你认为这个地方怎么被发现的
I mean they get explored by the owners of the land also itself
我的意思是这块土地的所有者也会发现这个地方
say these coverages are not just because they have huge pieces huge chunks of land
这个地方不仅仅因为有大块大块的土地
and actually when they chop the drift down on the make trades they found the sanno tolls from cenotes
实际上，他们在做交易的时候会降低价格，他们发现了天然井
I hear forth for the ancient Mayans also
我也听说了古代玛雅人的故事
which were like sacred wealth for them that's verses a notice coming from the word
这对他们来说是神圣的财富，正如这个单词的含义
it's coming from the mine but so not it means sacred well
它来自矿井但不是圣井
so the Mayans this was a really important source of water
对玛雅人来说，这是非常重要的水源
or they also use the groundwater as well by also for sacrificing for the gods something others were used
他们也使用地下水，还有其它一些东西，来祭神
but they're still still the groundwater also still comes from this underground rivers what we have here in the peninsula
但这静静流淌的地下水来自我们在半岛上看到的地下河流
wow that's cool it's deep too
哇，太酷了，太深了
so we're going to have to jump down
所以我们必须跳下去
how far is that
有多远
that is about to two minute 53 meters more or less
大约是2分钟53米左右
echo oh yeah that's gonna be fun
哦，是的，很有趣的
now it's time to begin our dive
现在是时候潜水了
we grab our gear from the van and suit up near the road
我们从货车上取下装备，穿上衣服，走到路边
Marco is wearing double tanks and all kinds of cool technical cave diving gear
马尔科穿着双槽和各种酷酷的洞穴潜水装备
group me I'm just wearing my normal scuba gear and a few extra flashlights
我只是穿着我的普通潜水装备，拿着几个额外的手电筒
the walk-in was plenty long and hot enough when I wasn't wearing my dive gear
走的时间太长，不穿潜水服的时候已经够热了
that water is gonna feel so good
水很舒服
Marko gives me some last words of advice before I take the plunge
在我决定冒险之前，马尔科给了我一些最后的建议
I think I'm more worried about the 10-foot drop into the water than the dive itself
我想我更担心的是10英尺的落水，而不是潜水本身
cliff diving
悬崖跳水
the water is extremely clear I adjust my camera lights and follow Marko down below the earth
水非常清澈，我调整了相机的灯光，跟随马尔科来到地下
as we enter the cenotes cavern I realize that I'm truly heading into another world
当我们进入天然井洞时，我意识到我真的进入了另一个世界
this is not my area of expertise
这不是我的专业领域
I follow marco carefully and pay attention
我小心地跟着马尔科，注意听
we've brought some humongous lights to help illuminate the cavern for photography
我们带了一些大灯来帮助照亮洞穴，摄影
and they really help show what it looks like
这些灯光确实起到了照明作用
it's beautiful
真漂亮
the tunnels were formed by water rushing through and dissolving the soft limestone
水冲击溶解松软的石灰石形成这些洞群
but the intricate decorations hanging from the ceiling called stalactites can only form in the dry cave
但天花板上错综复杂的装饰——钟乳石只能在干燥的洞穴中形成
thousands of years ago during the last ice age the water levels were lower
几千年前，上一个冰河时代，海平面较低
and these very caves were bone-dry
这些洞穴非常干燥
that's when these impressive stalactites were formed
钟乳石就是在那个时候形成的