Clouds of different shades of blue on a dark backgroundClouds of different shades of blue on a dark background
Arbitrary abstractions of different colors on a gray heterogeneous backgroundArbitrary abstractions of different colors on a gray heterogeneous background
A stream of light in the form of bending waves on a purple backgroundA stream of light in the form of bending waves on a purple background
Background lines describing waves on a dark backgroundBackground lines describing waves on a dark background