Luoyang is a city in the confluence area of the Luo and Yellow Rivers in the west of Central China's Henan province. Home to world heritage sites such as the Longmen Grottoes and the Grand Canal, the city flourishes with rich cultural history that has been its hallmark since ancient times. Now, night tours have become a highlight of local tourism. (Text: dahe.cn Photo: Hu Qingling/dahe.cn)