The conservation plan should aim at ensuring a harmonious relationship between the historic urban areas and the town as a whole.

古迹保护规划应当旨在确保城市历史性地区与城市整体之间的协调关系。

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Planning for the conservation of historic towns and urban areas should be preceded by multidisciplinary studies.

对历史名城以及城市街区的古迹保护规划应当以包括多种学科的研究为先。

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It looked at listed buildings, unlisted buildings in conservation areas, scheduled monuments, and historic parks and gardens and based its figures on the sample size.

BBC: Clifford's Tower with graffiti (inset)