Os x wallpaper on Desktop / page 6

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Ubuntu icon from the Ubuntu operating system

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Android icon on a blue background

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Image of a bright and wonderful aurora

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Blue logo of the Windows 8 operating system

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Blue purple apple pattern

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Android logo in a diamond on a gray background

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Art is a mysterious and extraordinarily beautiful cosmos

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A mountain in Yosemite National Park

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A calm background with a transition from white to dark blue

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Evenly gray background in a faintly noticeable cell

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Abstraction blue lines with circles

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The hand that broke off a piece from an apple