A group of Edinburgh medical students dugup the facts on the Great LondonSmog of 1952 (the photos are fascinating;
几位爱丁堡大学医学院的学生发掘了1952年伦敦大雾霾的一些事实(其中的照片引人入胜;
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London, renowned for centuries for its infamous smog and severe pollution, today has the cleanest air that it has had since the Middle Ages.
伦敦,因其臭名昭著的烟雾和极其严重的污染而闻名几百年,今天有着自中世纪以来最干净的空气。
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However, Frank Kelly, director of environmental research at King's College London, says the smoke isn't as dangerous as the industrial smog seen in most cities.