グレーのラインが伸びるスパイラルアニメーション（グレー背景）
Palabras clave
spiral,
spiral,
swirl,
line,
grey,
grey,
line,
improve,
flow,
spinning,
spiral,
material,
vortex,
pattern,
background,
copy space,
motion picture,
video,
illustration,
animation,
animation,
yen,
spiral
