Green and turquoise abstract wallpaper on telephone / page 44

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Geometry lesson at school using abstraction

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An abstraction of many purple circles

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Abstraction of glowing yellow circles

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Drawing of abstract colored figures

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Glowing lines and circles in blue

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Geometric abstraction colored shapes

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Green - blue stripes like the Northern lights

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Blue-blue abstraction in motion

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Abstract highlights in blue and purple

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Japanese-style marine abstraction

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Abstraction girl listening to music

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Arbitrary abstractions of different colors on a gray heterogeneous background