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Metal ball on a background of blue cubes
Abstract game of blue tag
Wet balls of blue color
Gazebo under the shade of magnolias in Charleston
A flock of blue fish in the ocean
Russian plane on the background of blue sky
Military aircraft coloring on a background of blue sky and clouds
Paradise , a good juxtaposition of blue
Minimalistic picture with a pattern of blue balls
All shades of green on a mountain lake
Merging of blue and violet nebulae around the giant planet
A wise thought. The gradient of blue and orange. The best is the enemy of the good