Speakers on a pole against a blue sky
Schlüsselwörter
pole,
blue,
sky,
speaker,
broadcasting,
megaphone,
communication,
technology,
equipment,
metal,
safety,
copy space,
loudspeaker,
outdoors,
day,
announcement,
connection,
horizontal,
information,
loud,
message,
no people,
noise,
photo,
public,
signal,
sound,
system,
alertness,
attention,
color image,
horn,
siren,
sunlight,
warning,
alert,
danger,
white,
lighting equipment,
old,
town,
city,
up high,
street,
audio equipment,
advertisement,
announce
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