And what about the presence of natural, uncontaminated, landscapes?

那么自然的、未受污染的景观的存在呢？

It's attention that comes from a pure mind — a mind uncontaminated by fear.

注意力来自清净心——一颗没有被恐惧污染的心灵。

Uncontaminated runway width is about 30 meters.

未受污染的跑道宽度约为30米。

That is why the few who do not, or who are believed to have remained uncontaminated, have so great and passionate a burden of admiration and longing laid upon them.

这就是为什么少数没有被污染的人，或者被认为没有受到污染的人，有如此巨大和热情的钦佩和渴望的负担放在他们身上。