In the center of each gallery is a ventilation shaft, bounded by a low railing.

在每一条廊道中心都有一口通风井，外面围着一道矮矮的栏杆。

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A fire rages out of control from a ventilation shaft at the Pike River Mine in Greymouth, New Zealand.

新西兰格雷茅斯派克河矿失控的火舌从通风井呼呼直冒。救援队夜以继日地寻找两次爆炸中死难的新西兰矿工的29具遗体。

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There was a family of cats on the rooftop there, making their home in the ventilation shaft.

在那儿的屋顶上，住着猫的一家，它们的家安在通风竖井里。

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About 50 rescuers are trying to free them from a ventilation shaft at Gleision Colliery near Cilybebyll, Pontardawe.

BBC: Trapped miners: Bid to rescue men in Swansea Valley

He also plans to transform the 28m-long ventilation shaft into a subterranean climbing wall.

BBC: Reawakening the Underground