professional speaker delivers presentation conference hall with audience |
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| navigate by keyword : business presentation speech podium conference speaker lecture seminar audience event microphone stage communication education training meeting professional learning teaching discussion leadership mentor expert public speaking auditorium hall university college classroom marketing corporate office workspace indoor daytime lighting sunlight architecture furniture bookshelf table chair skills lecturing educational development |
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| Professional male speaker or lecturer standing at podium delivering speech or presentation to audience in conference hall or auditorium with bright interior lighting |
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