Create an image of a giant, whimsical octopus floating in a surreal, upside-down cityscape, its tentacles playfully interacting with buildings and cars as iridescent bubbles float around it.

Imagine a gigantic and whimsical octopus hovering above an inverted cityscape. The octopus seems playful, its sinewy tentacles touch the inverted skyscrapers, apartments, and vehicles. Curiously, it swirls in the skycape surrounded by radiant bubbles that shimmer with varied colors, casting a magical spectacle.