Strong traffic on highways, birds, cicadas:
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Outdoor Airport, Landing Area
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City, the movement of cars across the bridge
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General noise, birds, City
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City, traffic, pedestrians, police signal,
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A small crowd of people indoors, the sounds
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Children in the park, birds, City
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Twittering, City, general noise, pedestrians
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Airport, x-ray control
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City, birds, park
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City, general noise, night
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Outdoor bus station, bus parking
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Indoor airport, environment sounds
★★★★★