Lighting largely comes from the sky above.

光线主要是来自天空。

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The horizontal plane of the of cast shadow at right is also very blue from the sky above.

右边投影里的水平面也受天空影响显得很蓝。

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Above was an angry sky, from which rain fell and in which lightning played. Down the side of the mountain tumbled a foaming waterfall.

上面是乌云密布的天空，而且狂风骤雨、闪电雷鸣，一条白色的瀑布从山的一侧倾泻下来。

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An experienced pilot was killed in a fall from the sky above France during a microlight flight from Southend to Barcelona, an inquest heard.

BBC: Essex

On October 26th 1967 he had to eject himself from his aircraft in the sky above North Vietnam, breaking his left arm, his right arm in three places and his right knee.

ECONOMIST: The man who healed the Vietnam wound

It was colder than ever now, but the sky had cleared, and a bright moon had emerged from the clouds, cold and white in a pool of indigo sky right above the garden.

NEWYORKER: The Cold Outside