Ключевые слова: alert, amplification, announce, announcement, audio, blue, broadcast, broadcasting, calling, clouds, column, communicate, communication, emit, illustration, information, loud, loudspeaker, megafon, megaphone, message, news, nobody, notification, outdoor, pillar, pole, post, power, public, rusty, shout, sky, sound, soundsystem, speak, speaker, system, three, vintage, voice, volume, white, wooden,