Visitors view the exhibits during an exhibition on daily articles of ancient China's Song (960-1279) and Ming (1368-1644) dynasties in Hangzhou, capital of East China's Zhejiang Province, Aug 15, 2018. (Photo: Xinhua)

A visitor views the exhibits during an exhibition on daily articles of ancient China's Song (960-1279) and Ming (1368-1644) dynasties in Hangzhou, East China's Zhejiang Province, Aug 15, 2018. (Photo: Xinhua)

Visitors view the exhibits during an exhibition on daily articles of ancient China's Song (960-1279) and Ming (1368-1644) dynasties in Hangzhou, East China's Zhejiang Orovince, Aug 15, 2018. (Photo: Xinhua)

Visitors view the exhibits during an exhibition on daily articles of ancient China's Song (960-1279) and Ming (1368-1644) Dynasties in Hangzhou, East China's Zhejiang Province, Aug 15, 2018. (Photo: Xinhua)