iPhone Cases: Audience listens to the lecturer at the conference hall

File Details

Published: 2017-11-18 11:21:43.018560 Category: Business Men and Women Type: Photo Model release: No

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Keywords

audience, business, businessman, conference, congress, convention, corporate, education, event, forum, group, indoor, lecture, lecturer, manager, meeting, participant, people, presentation, professional, public, seminar, teaching, training, workshop, back, hall, head, projector, slide