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Multicolored circles on a dark background
Gerberas with circles on an orange background
Circle and ring green and black lines
Colored circles on a yellow background
The message of the ancestors in the sand circle
A circle on a field with an unknown pattern
A circle on the field like a spider's web
Colored circles of the ozone hole
Blue circles and lines
Lines circles in multicolored light
Circle on a blue background
Circles of blue color of different sizes on a blue background
Circles of blue color of different sizes on a blue backgroundCircles of blue color of different sizes on a blue background