A painting Chang Shana copied from the Mogao grottoes in 1947.[Photo provided to China Daily]

A painting in which Chang Shuhong depicted Jiucenglou, or the Nine-story Building.[Photo provided to China Daily]

A painting of rocket larkspur flowers by Chang Shana in 1979.[Photo provided to China Daily]

A visitor looks at a flora-themed painting by Chang Shana in Everlasting Beauty of Dunhuang, an exhibition of her and her late father Chang Shuhong's artworks at the Tsinghua University Art Museum through Sept 15.[Photo provided to China Daily]

Chang Shana at the exhibition opening at the Tsinghua University Art Museum on July 15. [Photo provided to China Daily]