This, along with the thick perimeter wall around the city, is an age-old technique in Arab towns.

BBC: The Futurist: Masdar City

He stocked the park with deer and erected a wall along its perimeter, keeping the animals in and the commoners out.

BBC: Europe��s largest capital park

The British Foreign Office confirmed a "compound perimeter wall" of the embassy collapsed, adding that its ambassador has met with the community and offered condolences.

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