英文關鍵字
above
aerial
barrow
brown
building
cast
clay
construction
delf
delft
devastated
devastation
development
earth
earthen
environment
equipment
europe
excavation
exploitation
extraction
field
ground
heavy
industrial
industry
kaznejov
landscape
mine
open
opencast
outdoor
pit
pitrun
pollution
production
productivity
quarry
red
soil
strip
technology
texture
top
toxic
truck
view
work
yellow