Royalty-Free Mating Photos, dominant color: gray, sorted by aesthetic score

1920x1307

two peregrine falcons perched on white wall

Public Domain
4636x2925

Tilt Shift Lens Photo of Black and White Chess Pieces

Public Domain
5456x3632

selective-focus photography of two black chess pieces beside white chess piece

Public Domain
3264x2303

women playing volleyball during daytime

Public Domain
3840x1311

two sea lions playing on sand

Public Domain
5309x3539

greyscale photo topless woman and man art

Public Domain