Pedestrianizing city streets reduces daily noise by 3.1 decibels, a new study of Barcelona’s "green axes" shows. Data from acoustic sensors prove that fears of noisy crowds replacing car noise are unfounded, as residents on these calmer streets now use their balconies more often.

2026年1月23日 · 孙亮 · 来源：user热线

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ВсеПолитикаОбществоПроисшествияКонфликтыПреступность，推荐阅读wps获取更多信息

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最高人民检察院工作报告（摘要）

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Фото: Dan Bashakov / AP