This simple photograph by Gordon Gahan shows the power of light to ignite even the most mundane scene-a concrete tunnel-and render it beautifully.

在戈登。加恩拍摄的这张简单的照片里，光线照亮了凡尘俗世间最普通的场景，一条混凝土水渠，并将其美化。

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A jagged bolt protrudes from the concrete walls of the tunnel.

原来是管道水泥壁上突出的一个棘螺栓。

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The design features concrete canopy structures on both sides of the tunnel - creating a large enough surface area to realise sports fields on the roof of the tunnel section.

设计的特点是隧道两侧的混凝土雨棚结构——创建足够大的表面积来实现隧道部分的屋顶上的运动场。

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We trudged along a dusty shelf, up another metal ladder, and had to crouch to walk through a narrow tunnel, eventually emerging on a concrete ledge smeared with pigeon droppings.

BBC: Subterranean Sydney

The giant concrete box is a placeholder for a tunnel to be built later, but the box had to be built now.

WSJ: Option Preserved for Another Tunnel Under Hudson River