People visit the 22nd Pingyao International Photography Festival in Pingyao, North China’s Shanxi province, on Monday. The event began that day with fewer visitors than normal due to Covid-19 controls. Photo: Chen Liang/Caixin

A visitor poses for a photo in an exhibition hall. Photo: Chen Liang/Caixin

People gather in the rain during the festival’s opening ceremony. Visitors need to provide negative nucleic acid testing results from the previous 24 hours to attend the event. Photo: Chen Liang/Caixin

Disease control personnel perform a nucleic acid test on a visitor. Photo: Chen Liang/Caixin

Visitors walk past an exhibition venue. The local authorities have capped indoor venues’ capacity at 50%. Photo: Chen Liang/Caixin

A food street is closed on Sept. 19. Photo: Chen Liang/Caixin

An exhibition area appears empty during the festival. Photo: Chen Liang/Caixin

The Pingyao International Photography Festival is an annual event held in the ancient city of Pingyao since 2001. More than 1,200 photographers from home and abroad participated in this year’s event. The festival will last until Sept. 25. Photo: Chen Liang/Caixin