A series of pencil sketches by a 70-year-old artist, Wang Enkuang recently went viral on the social media, featuring an old town called Lanxi in east China's Zhejiang Province. /QQ News Photo

Wang’s enthusiasm for drawings rooted in his childhood. After years of practice and learning from artists he “met” online, Wang has adopted a unique style. /QQ News Photo

He thought in May to recreate Lanxi's old days, after a city renewal project launched in the old town, spending months to bring back memories of the water town. /QQ News Photo

It takes Wang 34 hours to create Lanxi's full view. He completed the series in 150 hours. He, however, said he would continue to draw to record the city's past. /QQ News Photo