City, the movement of cars under the bridge:
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High traffic on highways
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Environment sounds, Indoor airport
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Sirens in the distance, City, general noise
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Park, City, birds
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City parking, general noise
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The movement of cars across the bridge, City
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City, general noise, night
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Bell ringing, Clock tower, 12 bells
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X-ray control, Airport
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City, birds, children in the park
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Birds, City, general noise
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Fire truck with siren, City, pedestrians
★★★★★