Tourists visit the Longmen Grottoes scenic area in Luoyang, central China's Henan Province, July 7, 2020. Various forms of night tours in Luoyang have attracted a lot of visitors and boosted the economy. (Xinhua/Li An)

A shopkeeper performs for tourists in a shop at Luoyi ancient town in Luoyang, central China's Henan Province, July 7, 2020. (Xinhua/Li An)

A tourist chooses ink brushes in a shop at Luoyi ancient town in Luoyang, central China's Henan Province, July 7, 2020.  (Xinhua/Li An)

A child tries sugar-figure blowing at Luoyi ancient town in Luoyang, central China's Henan Province, July 7, 2020.  (Xinhua/Li An)

A tourist chooses products at a shop at Luoyi ancient town in Luoyang, central China's Henan Province, July 7, 2020. (Xinhua/Li An)

Photo taken on July 7, 2020 shows the night view of the Luoyi ancient town in Luoyang, central China's Henan Province.  (Xinhua/Li An)

Aerial photo taken on July 7, 2020 shows tourists visiting the Fengxian Temple at the Longmen Grottoes scenic area in Luoyang, central China's Henan Province.(Xinhua/Li An)

Aerial photo taken on July 7, 2020 shows the night view of the Longmen Grottoes scenic area in Luoyang, central China's Henan Province.  (Xinhua/Li An)

Actors perform at Luoyi ancient town in Luoyang, central China's Henan Province, July 7, 2020.  (Xinhua/Li An)