英文關鍵字
alpha
channel
covid
19
coronavirus
netherlands
flag
ripped
national
country
banner
nation
dutch
europe
patriotic
government
freedom
emblem
holland
textile
independence
blue
white
red
tricolor
insignia
people
animation
animated
render
cg
3d
motion
backgrounds
travel
identity
pride
rippled
closeup
isolated
amsterdam
history
accuracy
constitutional
monarchy
textured
waving