The shadow of the fringe of trees along the vast expanse of sand hung motionless along its border, and the ring of blue-grey hills around the horizon slept calmly beneath the sky.

广阔沙地两旁的树影，一动不动地垂挂在其边沿，圆圆的地平线上，灰蓝色的山在天空的怀里恬静地睡着了。

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Everything we see above us, the vast stretches of clouds, no matter how high they look, are not that far away — no further than the horizon. Ours is a geometrically small world, says Eric.

我们头顶的一片天，一片云，不管看起来多高多远，也不会比地平线更远。

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The horizon is vast.

地平线是巨大的。

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They also worried that they would mar the vast horizon.

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