Naked eye 3D pavement paintings featured with nature and ecoloy attract tourists in Chongqing, May 12, 2021.(Photo/China News Service)

　　A naked eye 3D pavement painting featured with nature and ecoloy attracts tourists in Chongqing, May 12, 2021.(Photo/China News Service)

　　The paintings cover elements such as the sky, cliffs, waterfalls, forest and animals giving toursits a three-dimensional optical illusion from a certain perspective.

　　A woman takes a selfie featured with a naked eye 3D pavement painting featuring nature and ecoloy in Chongqing, May 12, 2021.(Photo/China News Service)