英文關鍵字
baltic
banner
blue
colors
colourful
community
contrasting
countries
day
difference
diplomacy
europe
european
flags
flapping
global
government
group
harmony
headquarters
mast
meeting
movement
multicolour
national
nations
organisation
outdoors
patriotism
peace
politics
ropes
set
sky
summit
symbols
together
travel
union
united
wave
waving
wind
windy
world