为海格特公墓绘制电子地图
Mapping the dead
Resting place to hundreds of historical figures,
数百位历史人物的安息之所，
Highgate Cemetery is known all over the world - but not everyone here is famous.
海格特公墓世界闻名，但并不是埋葬在这里的人都是名人。
Amongst this growing sea of ivy are thousands of headstones - some that haven't been seen in years.
在这片长得越来越茂密的常春藤当中，有成千上万的墓碑，有些墓碑多年都未露出。
For many, this is what makes Highgate beautiful.
对许多人来说，这就是海格特公墓的美丽之处。
But finding relatives' graves here can be tricky.
但是在这里找亲人的坟墓可不容易。
Well, today some of them are being rediscovered through a process of careful clearing,
今天，在试图保持墓地特征的基础上，通过认真仔细的清理后，
which tries to keep the character of the cemetery.
一些墓碑重新露出。
The ivy has been removed from some of these headstones - not only to protect them from decay - but also to allow them to be mapped digitally for the first time.
这些墓碑上的常春藤已经被清除，这不仅是为了保护它们免受腐蚀，也是为了让它们能够首次被绘制在电子地图上。
This is Pete.
这位是皮特。
His backpack uses lasers, which can't be seen, to take three hundred thousand measurements a second.
他的背包使用激光，这是看不到的，每秒测量30万次。
It also has five cameras taking pictures constantly.
背包里还有五个摄像头在不停地拍照。
The information is uploaded online, and eventually a digital map comes to life.
信息被上传到网上，最终一张电子地图就生成了。
Highgate is, as you can see, is a pretty tough location.
海格特公墓，正如你所看到的，是一个非常难测量的地点。
From a mapping perspective, vegetation can be our biggest nightmare.
从绘制地图的角度来说，植被是我们最怕遇到的东西。
There are paths - but there are also areas that are very difficult to access – so we have to be very careful from a health and safety perspective.
虽然这里有一些小路，但也有一些区域很难进入，所以从健康和安全的角度来说，我们必须非常小心。
Over the last year, Tim and his team have now mapped more than half the cemetery.
去年，蒂姆和他的团队已经把超过一半的墓地绘制进了电子地图。
And already – the new system is helping.
这个新地图已经开始起作用了。
It's wonderful that new technology can enable us to do this in a way that just isn't possible with old paper records.
令人惊叹的是，新技术可以使我们做到这一点，而这是旧的纸质记录无法做到的。
Over the next year – there will be more mapping and only the most essential plant clearing,
在接下来的一年里，绘制地图的工作仍将继续，只有必须要清理的植物才会被清除，
meaning more of this incredible part of London is accessible for generations to come.
这意味着伦敦这片美丽的区域将会有更多的地方可供后人使用。