On a large pottery shard, two dots mark the eyes and a curved line forms the mouth. Just a few incised strokes sketch a tiny smiling face, resembling a 7,000-year-old emoji.
In a gallery of golden wheat fields on canvas, Wang Yaoyao in a pale pink qipao stands as a quiet contrast. The academically trained painter now embraces the unruliness of “farmer painting” — a form of Chinese naive art.