Keywords
18-19 years, 20-24 years, 25-29 years, 30-34 years, 35-39 years, 45-49 years, auditorium, authority, business, businessman, businesswoman, caucasian, chair, classroom, co-worker, color image, confidence, continuing education, convention center, copy space, education, europe, european, front view, germany, head and shoulders, horizontal, indoors, latin american and hispanic ethnicity, leadership, learning, lecture hall, lecturer, lecturing, listening, low angle view, man, mature adult, mature women, medium group of people, meeting, mid adult, mid adult men, multi-ethnic group, munich, office, people, photography, planning, podium, presentation, presenting, projection screen, public speaking, rear view, sitting, speaker, standing, strategy, suit, talking, teaching, teamwork, together, woman, young adult, young men, young women, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u20700871