Stereogram magic eye image with hidden christmas tree pattern revealed by focusing
Keywords
stereogram,
three-dimensional,
illusion,
depth,
visual,
perception,
sharpened,
pattern,
repeating,
texture,
background,
wallpaper,
abstract,
art,
optical,
puzzle,
game,
challenge,
brain teaser,
mind,
exercise,
visualisation,
stereo,
viewing,
technique,
christmas,
holiday,
seasonal,
tree,
pine,
evergreen,
festive,
decoration,
winter,
celebration,
green,
red,
white,
subtile,
concealed,
revealed,
surprise