City, general noise, sirens in the distance:
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Clock tower, 12 bells, bell ringing
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The movement of cars under the bridge, City
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Landing Area, Outdoor Airport
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Wet road, Highway traffic
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Indoor airport, environment sounds
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Sounds of the environment, Park, birds
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A small crowd of people indoors, the sounds
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Birds, Morning city
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Police signal, City, traffic
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The movement of cars across the bridge, City
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High traffic on highways
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X-ray control, Airport
★★★★★