This liquefied metal arced and then cascaded into a hollow tower that pulsed with bioluminescent colors.

这些熔化的金属发出弧光，落进一个脉动着生物荧光色彩的中空塔。

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This liquefied metal arced up and then cascaded into a hollow tower that pulsed with bioluminescent colors.

这些熔化的金属发出弧光，落进一个脉动着生物荧光色彩的中空塔。

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The utility model avoids a hollow phenomenon, uniformly sprays and enhances the cooling efficiency of a cooling tower through the multiple water spray of the tower-shaped water spraying disc.

本实用新型通过塔状溅水盘的多次溅水，避免了中空现象，喷洒均匀，提高了冷却塔的冷却效率。

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It looked to be entirely overgrown, but Sopheng knew a trail that wound through the vines, bushes and branches to a hollow under the tower itself, where I was surprised to find not only ancient inscriptions but also fresh incense and candles.

BBC: Piecing together puzzles in Cambodia

Its design uses a hollow, buoyant cylinder that extends down from the tower to about 100 metres underwater.

ECONOMIST: Monitor