  We investigate the spherical photon orbits in near-extremal Kerr spacetimes.
We show that the spherical photon orbits with impact parameters in a finite
range converge on the event horizon. Furthermore, we demonstrate that the Weyl
curvature near the horizon does not generate the shear of a congruence of such
light rays. Because of this property, a series of images produced by the light
orbiting around a near-extremal Kerr black hole several times can be
observable.
