Sketches in Motion: The journey of Taipei's metro artist

On an ordinary weekday afternoon, the ebb and flow of Taipei Metro commuters on the Tamsui–Xinyi line unfolds as usual. What they don't know is that they may become "models" for a gray-haired illustrator's insightful sketches. The illustrator is retired professor Chen Kiun-tong, and this tells of his artistic journey.