City, children in the park, birds:
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Airport, x-ray control
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Birds, Morning city
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Birds, Early morning in the city, general
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City, the movement of cars across the bridge
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The voices of several people, Park
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The sounds, A small crowd of people indoors
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Voices of, birds, Park near the school
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The movement of cars under the bridge, City
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1/2 hour, bell ringing, Clock tower
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Bell ringing, Clock tower, 12 bells
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City, crickets, night
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Highway traffic
★★★★★