Actually, Einstein said that Space is 4-dimensional: three space dimensions and a fourth time dimension. Most of us cannot visualize a curvature of four dimensional space-time, so visualize a curved two dimensional rubber sheet.Placing a mass on the rubber sheet curves it downward like space-time...
I'm Japanese, and I think all Asians are retarded for arguing on a topic they don't know much about AND on a video unrelated to it.