Watching bison up close is mesmerizing, like watching a grass fire about to leap out of control.

近距离观看野牛令人着迷，就像观看一场即将失控的草原大火。

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He was kicked out of another school for boarding up the chimney and gleefully watching as the fire trucks arrived.

后来，在又一所新的学校里，他用木板封住了那里的烟囱，之后幸灾乐祸地看着救火车的到来，欧斯勒再一次被勒令退学。

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People watching noted that the timing of the fire - coming at the end of the Spring Festival - was inauspicious.

有围观者表示，在春节庆祝活动要结束的时候出现大火灾是不吉利的。

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This covers not only teenaged boys, getting a thrill by watching a fire take hold and spread, but those motivated by the "hero factor" - people who want to be involved and to take the credit for fighting the blaze.

BBC: NEWS | Europe | Inside the mind of the fire starter