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Lian Da, 39, shows his pen pictures of old buildings in Shanxi province. Lian, a native of Heilongjiang province, is fascinated with Shanxi's old buildings, many of which have been damaged or abandoned. Over the past 16 years, he has penned pictures of many old buildings, calling for better protection of architecture that is in rapid decline. [Photo/Official Weibo account of CCTV]