raised hands and arms large group people class room audience voting professional education surrounding

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Raised hands and arms of large group of people in class room, audience voting in professional education surrounding Royalty Free Stock Photo

Large group of seminar audience in class room Royalty Free Stock Photo

Blurry image. pointing up finger with raised hands and arms of large group of people in meeting room or class room, audience Royalty Free Stock Photo

Raised hands and arms of large group of people in class room, audience voting in professional education surrounding

Rear view of Male speaker giving presentation in hall at event workshop. Audience or conference hall. recognized participants in audience. Scientific conference training event