When a bystander tweeted a photo of commandos rappelling from a helicopter onto the roof of one of the buildings, the center alerted the attackers, who set up an ambush in a stairwell.

印度突击队员乘直升机用绳索滑降到酒店一所建筑的屋顶上，当时有位路人拍了照片，发到了微博上，控制中心注意到该微博，随即警告武装人员，在楼梯井内设了埋伏。

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They can cause complete roof failure on most homes and buildings.

他们能够将大多数建筑的屋顶掀翻。

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Both buildings feature a clay tiled roof, a traditional feature in Portuguese architecture, and they match one another in height.

这两座建筑都是粘土瓦屋顶，在葡萄牙建筑中有着传统的特色，它们在高度上互相匹配。

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The document includes advice on the scale and colour of buildings and appropriate roof types and materials.

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Prison officer Paul Leahy told the court he recalled Mr Hazell telling him he believed neighbours could have moved Tia's body into the attic of the house he lived in, as the buildings had interlocking roof space.

BBC: Stuart Hazell leaves his partner's house on 8 August 2012

The main redesign was to the roof of the main buildings, changing them from a flat roof to a split pitch roof.

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