Each tile is fixed to a steel supporting structure, and none of them appear to touch.

每一块瓦片都固定于钢支撑结构之上，互不相连。

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After around ten trips up the mast, our skipper Justin Taylor, 31, decided the only way to get it down was to remove the 80-foot steel cable supporting the mast.

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At first sight, the 50m-high metal cage appears to be little more than makeshift scaffolding, and with only six discrete steel cables supporting the structure, the sway of the platform is quite noticeable, even in a gentle breeze.

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Later repairs found that supporting steel had been left out by the builder and concrete had been poorly reinforced.

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