Black megaphones with text proclaim speak up in a bold silhouette
Schlüsselwörter
megaphone,
speaker,
communication,
voice,
sound,
protest,
rally,
announcement,
broadcast,
message,
text,
bold,
graphic,
design,
illustration,
vector,
black,
white,
contrast,
amplification,
shout,
volume,
publicity,
expression,
advocacy,
campaign,
awareness,
notice,
attention,
declare,
promote,
inform,
widener,
loudspeaker
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