英文關鍵字
abandoned
abgrund
area
blue
broken
building
clear
crimea
degradation
empty
exploitation
feature
geological
geology
industry
lake
land
layers
lime
limestone
locations
material
mine
mineral
nature
object
open
osmo
people
pit
place
pollution
pond
quarries
quarry
resource
road
rock
sky
slovakia
stone
sunlight
surface
temperature
travel
tree
wall
water
work