Caption :Light Show:Helicopter pilots watch as a controlled fire burns on Mount McLean, British Columbia.

描述：火光闪烁：加拿大不列颠哥仑比亚省，直升飞机驾驶员观看麦克莱恩山一场受控的燃火。

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Controlled fire and the wheel are two such inventions which allowed our ancestors to live a better life in safety.

受控制的火以及车轮就是这样两种发明，它们使我们的祖先在安全上获得更好的生活。

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Later, an employee was selected to extinguish a controlled fire in the parking lot. In her nervousness, she forgot to pull the pin.

随后，一位员工被挑选在一个停车场扑灭一起控制下的火灾。由于紧张，她忘记拉弦。

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They worked through the night and had the fire controlled the next morning, when other men arrived from a camp in the area.

VOA: special.2009.11.24

Digs show that both modern humans and Neanderthals controlled fire in a way that almost certainly means they could cook, and did so at least 200, 000 years ago.

ECONOMIST: The evolutionary role of cookery

He said it was "good news" the officers had controlled the fire before it could reach the bird's nest.

BBC: Cetti's warbler

In my hunger to free my heart, I suited up in firefighting gear and went back into a "controlled" fire to face and heal my fears of fire as an adult, not as a scared little girl trapped with the beast in my grandparents' basement years ago.

CNN: 'They call me burnt toast'