Middle-aged male professor, architectural historian, standing in front of a medieval stone castle, wearing black-rimmed glasses, neatly combed brown hair, button-down shirt with rolled-up sleeves, dark trousers, holding a worn leather briefcase, pointing to the castle's intricate carvings, enthusiastic expression, bright sunny day, clear blue sky, lush greenery surrounding the castle, dramatic shadows, warm lighting, slight camera tilt, 2/3 composition.