A mysterious physical process that is a flash of energy in white, blue, purple tones on a dark blue backgroundA mysterious physical process that is a flash of energy in white, blue, purple tones on a dark blue background
Green, blue and pink laboratory flasks on a dark blue backgroundGreen, blue and pink laboratory flasks on a dark blue background
Lilac heart of smoke on a black and blue backgroundLilac heart of smoke on a black and blue background
Macro photography of a dandelion on a blue backgroundMacro photography of a dandelion on a blue background
A brown horse gallops across a field on a blue backgroundA brown horse gallops across a field on a blue background
Windows 7 working screensaver on a blue backgroundWindows 7 working screensaver on a blue background