Kumari continent

Create a believable underwater city built inside canyon, seen from a wide cinematic viewpoint. Combine architecture inspired by tamil culture with marine life human I'm uploaded reference image, drifting particles and realistic blue-green light falloff. Include one submersible or diver for scale. Make the city functional, with visible transit and habitat logic. Avoid generic glass domes everywhere, impossible bright sunlight at depth, random whales, copied sci-fi designs, text and cluttered composition. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.