Two twin megaphone on the wall of a building.
Schlüsselwörter
speaker,
talk,
loud,
white,
sound,
public,
announce,
system,
communicate,
loudspeaker,
voice,
audio,
equipment,
message,
shout,
speak,
wall,
background,
information,
address,
listen,
communication,
technology,
warning,
box,
electrical,
small,
announcement,
urban,
pair,
broadcast,
commentate,
tell,
object,
amplifier,
megaphone,
volume,
alert,
ceiling
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