Meteorologists and aviation authorities are monitoring wind direction and the ash cloud's movement from Iceland to determine where and when to shut down airspace in Europe.

VOA: standard.2010.04.15

Haze drove on, leaving the man who has helped him: "The blinding white cloud had turned into a bird with long, thin wings and was disappearing in the opposite direction."

海斯继续开车，离开了那位帮助他的男人：,那朵亮白的云转变成了一只有这长而瘦的羽翼的小鸟的形状,消失在另一个方向“

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No, of course, no one knows whether this will continue into the future but those relative prices are, and have been, moving in the wrong direction for cloud computing over recent years.

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If the ash cloud were to drift in another direction flights could be sent around or above it.

ECONOMIST: Iceland's volcanic eruption

The cloud had drifted in a northeasterly direction and occupied much of the airspace over the Gulf of Alaska.

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