Middle-aged, male, architecture teacher, Charter High School, modern building, urban setting, standing, lecturing, whiteboard marker, glasses, short brown hair, casual wear, blazer, dress shirt, dark jeans, loafers, confident posture, hands behind back, background of students taking notes, desks, chairs, minimalist interior design, natural light pouring in from large windows, soft focus, shallow depth of field, warm color tone, 3/4 composition.