Mature professor, university instructor, architectural design expert, middle-aged man, bespectacled, short brown hair, trimmed beard, white shirt, dark blue suit, tie, leather shoes, standing, pointing, teaching, university campus, modern architecture building, glass and steel structure, natural light, warm wooden floor, whiteboard, colorful markers, students sitting, attentive, note-taking, morning sunlight, soft focus, shallow depth of field, cinematic composition.