FBOY PROBLEMS on Instagram: "used to be scary 🍿: The Upside Down in Stranger Things is a dark, decaying mirror of the real world—same streets, buildings, and landmarks, but frozen in a state of rot, toxic air, and constant danger, as if time itself broke the moment it split off. It operates like a hostile ecosystem rather than just another place, with vines, spores, and creatures all linked through a hive-mind intelligence that reacts to human presence. More than a spooky dimension, the Upside