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Royalty-Free Scanning Photos, dominant color: gray
1920x1920
CT scan of human brain
Public Domain
1920x1461
grayscale photography of corals
Public Domain
4554x2981
pair of black leather boots on gray concrete stair
Public Domain
3264x2448
x-ray, medical, broken, arm, doctor, x ray
Public Domain
2981x4554
black and gray abstract painting
Public Domain
2500x1776
white desktop printer
Public Domain