Photorealistic Cro-Magnon Teenager

cro-magnon teenage boy, messy hair, serious look, ice age background, photorealistic --v 8.2 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.