Thank you everyone, so many interesting, beautiful, intriguing, fascinating images! I'm happy there is so much interest in sharing surreal images and prompts! Let's keep it going:
Create a surreal split-scene where the left half is an underwater version of a [garden], filled with marine life (fish, sharks, octopus, coral, bubbles), and the right half is the regular dry version of the same [garden] continuing naturally. Separate the two halves with a vertical wall of water held ...