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１引言欧洲古建筑大部分位于地中海流域，由于人类的活动使这些建筑经受着严重的污染，暖气候促使光化学烟雾的形成，海洋盐的存在则加速了石材的风化。了解这些古建筑周围的大气质量是确定环境对建筑物危害以及保存好这些文物的第一步。Ｂａｒｉ教堂是罗马建筑的重要范例之一
1 Introduction Most ancient buildings in Europe are located in the Mediterranean basin. Due to human activities, these buildings are subject to serious pollution. The warm weather encourages the formation of photochemical smog and the presence of marine salt accelerates the weathering of the stone. Understanding the quality of the air around these ancient buildings is the first step in determining the hazards of the environment to buildings and the preservation of these artifacts. Bari Church is one of the most important examples of Roman architecture