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The letter Pi on a shiny black background
Neon scratch on a black background
Yellow sign on black background
Multicolored thin line on a black background
Music buttons and a black background
Small bubbles under blue water
Image of a girl's face with spectral lines
Rainbow palette of spectrum and neon stripes
Multicolored neon outline of the pyramid
Red question mark in a white square
Yellow line on a black background as a sign of minimalism
Green sign of biological contamination