Ключевые слова: academic, academy, advertisement, amphitheater, announcement, audience, auditorium, award ceremony, background, blur, business, center, chair, company, conference, congress, convention, corporate, economic, event, exhibition, exhibitor, financial, forum, group, hall, hotel, lecture, meeting, organization, participant, people, presentation, press, professional, project, room, seat, seminar, show, speaker, speech, stage, stock, summit, talk, trade, tradeshow, training, workshop,