Climbers do not have to prove they have the strength or ability to perform at extreme heights.

攀登者不需要证明他们有力量或能力在极高地带生存。

These were notable for their extreme height and elaborate decoration.

这些以其极高的高度和精美的装饰而著称。

Hypoxia, or lack of oxygen, can affect anyone at extreme heights. That is why passenger planes are equipped with oxygen masks.

任何人在非常高的地方都会出现缺氧，因此客机都配备了氧气面罩。

How have they evolved to support the extreme height of some of today's most impressive projects and how will they support the vertical cities of the future?

它们是如何发展，以支持今天一些最令人印象深刻的建筑项目的极端高度，以及它们将如何支持未来的摩天城市？

Similarly, it can take plenty of power to  pump water up to such an extreme height, keep the ventilation systems  running … the list goes on.

同样，将水抽到如此高的高度、保持通风系统运行等都需要大量动力… … 不胜枚举。