Lighted by a photographer's strobe, this scene would explode in brilliant colors, but in natural light, it looks altogether different.

灯光由一个摄影师的频闪灯光，这一情景会激发出灿烂的颜色，但在自然光，它看上去完全的不同。

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But it contains less red light than is found in natural light, says Mr Hartlove.

哈特·洛夫讲道，但这里面却包含着红光，比自然的红光要淡。

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All trees would benefit from sticking to a pact to stay small, but natural selection drives them ever upward in search of the light that their competitors also seek.

所有的树都会从让自己变的更小而减少水分流失而受益，但是自然选择却驱使它们向上生长以和其他植物竞争中获得更多阳光。

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Torrey says it was no small feat composing shots of the ruins without any tourists in the frame, but even more difficult was chasing the ever-changing angles of natural light.

VOA: standard.2009.12.15

All trees would benefit from sticking to a pact to stay small, but natural selection drives them ever upward in search of the light that their competitors also seek.

ECONOMIST: The evidence for evolution