Visitors view photos at the exhibition, Oct 16. [Photo/Datong Daily]

A photography exhibition showing changes in Pingcheng district, Datong city, during the past four decades, opened at the local Heyang Art Museum on Oct 16.

The exhibition consists of seven parts. The main exhibition uses videos to show changes in Pingcheng district since China started reform and opening up in 1978. The photography exhibition showed how the district developed through the years. A total of 290 out of more than 900 photos are on display.

The exhibition will last a week.