Imagine a dark street, entirely paved with old cobblestones. But instead of looking ordinary, each stone glows with a different neon hue — e...

Imagine a dark street, entirely paved with old cobblestones. But instead of looking ordinary, each stone glows with a different neon hue — electric blue, toxic green, deep violet. From the side, it looks like a colorful street, but the longer you stare, the stones sink inward, forming endless pits as ...