Modern lecture hall, seminar room, university campus, daytime, warm natural light, wooden desks, leather chairs, whiteboard, projector screen, minimalistic interior design, floor-to-ceiling windows, greenery outside, mature professor, standing, speaking, gesturing, wearing glasses, suit, tie, enthusiastic students, taking notes, laptops open, diverse age group, attentive facial expressions, warm color tone, shallow depth of field, slight blur effect.