Walking through the world, leaving a 3d snapshot of every moment exactly where it happened

What even is time and space? Kurt Vonnegut's "Tralfamadorians don't see human beings as two-legged creatures, either. They see them as great millipedes - with babies' legs on one end and old people's legs at the other” So here's me walking through the world, leaving a 3D snapshot of every moment exactly when and where it happened. Feels a lot like onion skinning reality (to use the animation analogy). We are beings stuck in the arrow of time - who get momentary glimpses of what it means to