In the centre of the capital and the neighbouring towns the buildings are too often made of weak concrete, cut with sand and lacking the steel rods that would fortify them against shocks.

首都中心以及周边城镇的建筑都由一些劣质的混凝土与沙混合组成，缺乏用来加固建筑以防地震的钢筋。

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Computer tests have shown weak spots due to welding faults and there are problems with the concrete foundations.

BBC: NEWS | UK | England | London | Delay to raising Wembley's arch