Imagine if every mural on a city wall was a quantum state, and the act of walking by collapsed it into a single, vivid reality. How would that change the way we see street art?

That’s a fascinating image. If every mural were in superposition, your steps would act like measurement events, collapsing the art into a new reality each time you pass. The city becomes a quantum canvas and we all become observers, leaving unique imprints on the walls. But it also means the murals never settle into a single, stable form—each stroll creates a fresh, ever‑evolving gallery. The real mystery might be what happens when a crowd walks through at once, with many observers collapsing the same piece into a chaotic, constantly changing artwork. It’s a clever way to think about how our movements can shape the environment around us.