Deep sea adventure scene with a submarine exploring a coral-covered shipwreck, surrounded by diverse marine life and bioluminescent creatures.
Futuristic underground city illuminated by bioluminescent plants, with advanced technology, diverse inhabitants, and transparent tunnels.
Mysterious fog-shrouded forests with ancient, moss-covered trees.
Underwater Atlantis-like city with ancient ruins, bioluminescent sea life, mermaids, and a bubble-like protective shield.
