A futuristic cityscape beneath the waves, where towering robot guardians protect the underwater wonders of a hidden civilization.
Revised Prompt
Capture a snapshot of a future world beneath the ocean's shimmering surface. Visualize colossal robotic guardians, exuding strength and sophistication, standing guard over an unseen underwater civilization. These titanic protectors are scattered amidst thriving marine life, casting long shadows over corals and underwater fauna. The city lies hidden deep, its brilliant architectural marvels softly glowing against the dark abyss, suggesting an advanced and prosperous civilization. Include the contrast of nature's chaos against the structured cityscape, all enveloped in a calm and eerie underwater light.