A 3D painting of a giant waterfall appears at a parking lot in Changsha, Hunan province, central China on Sunday, March 6, 2016. The 500-squre meter painting gives the illusion of height and the perception of depth of the waterfall to people observing the artwork at street level, and has been attracting many spectators who are fascinated by the optical trick. (Photo: China News Service/Yang Huafeng)
