Imagine a vibrant cultural festival taking place at the bottom of the ocean, with colorful fish and sea creatures joining in the celebration under a sky filled with floating jellyfish and bioluminescent plankton. Create an image that captures this unique and magical underwater world where culture and nature come together in a breathtaking display.

Envision a mesmerizing cultural festival submersed deep in the ocean, with an array of colorful fish and other marine life participating in the jubilation. Above, a sea of floating jellyfish and bioluminescent plankton simulates a night sky, their glow adding a touch of magic to the landscape. This scene aims to encapsulate the union of an enchanting subsurface ecosystem and cultural celebratory practices, forming a truly breathtaking spectacle.