Science & Nature - Anticrepuscular rays: sunset beams converging opposite the Sun

While crepuscular rays fan out from the Sun, anticrepuscular rays appear on the opposite side of the sky, converging toward the antisolar point. These atmospheric light shafts are actually parallel, but linear perspective creates the optical illusion that they meet at a vanishing point. Seen most often around dawn or dusk, they rely on backscattering of light through the atmosphere. They appear dimmer than forward-scattering rays, yet they can sometimes extend continuously across the entire celestial dome in vast circles.

Source: Wikipedia