Street Art Turns Startling in Manhattan as 3D Chalk Illusion Stops Pedestrians in Their Tracks Spectator video captured a surprising moment on a busy sidewalk in New York City, where a 3D chalk artist created a hyper-realistic illusion of a deep hole that left passersby stunned—and momentarily fooled. The footage shows pedestrians slowing as they approach the artwork, carefully stepping around what appears to be an opening in the sidewalk. One individual misjudges the illusion and reacts as if s