(ultra-detailed, best quality, sharp focus, realistic), children playing on the shore, detailed facial expressions, joyful smiles, curious eyes, tanned skin, wind-blown hair, splashing water, soft sand, sunshine glimmering on the water, seagulls in the sky, gentle waves, innocent laughter, sandcastles being built and destroyed, colorful beach toys, crystal-clear water, playful dolphins leaping out of the water, beautiful coral reefs, rich underwater ecosystem, vivid colors of the coral, swimming fish, dancing seaweed, sparkling sunlight filtering through the water, peaceful and serene scene.