英文關鍵字
air
asphalt
atmosphere
buildings
busy
cars
civilization
contamination
cottage
crisis
day
earth
ecology
effect
exhaust
forest
fumes
gas
green
greenhouse
heavy
hotels
houses
influence
infrastructure
low
mountains
movement
natural
nature
offseason
planet
pollution
problem
resort
road
season
sunny
sunshine
tourism
tourist
town
traffic
transport
travel
trees
trip
truck
urban
valley