Smoke puffed up from the forest fire.

烟雾从森林大火上喷起。

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Cutouts in the shape of mountains and trees were positioned on the forest side, and corresponding buildings and clouds of smoke on the other.

山和树被处理成剪影效果放在森林的那侧，建筑和黑烟也同样被放在工业的那侧。

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Smoke was first spotted on Saturday, in the forest of the Greater Hinggan mountains.

上周六，有人发现大兴安岭的林区有浓烟冒出。

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Natural aerosols are produced by sea salt, desert dust, volcanic eruptions and smoke from forest fires.

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They added that they also want to hear from anyone who saw any other vehicles in the area around this time or who noticed fire or smoke in the vicinity of the forest.

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Winds up to 15 mph were blowing smoke into the valley, said another Forest Service spokeswoman, Sonia Berry.

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