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A half-body shot of a calm and composed Korean man in his 50s, with a natural appearance, wearing a comfortable shirt and jeans. He is thoughtfully gazing at an open laptop and a notebook on the table in front of him, as he plans a lesson. The setting is a quiet corner of a library, with bookshelves in the background, creating a scholarly atmosphere that emphasizes the theme of focused learning and preparation. The soft natural lighting enhances the serene mood of the image.
