英文關鍵字
mine
nickel
lake
industry
environmental
problem
pollution
pit
quarry
truck
mining
machinery
industrial
sky
zoom
aerial
view
excavation
geology
mindanao
philippines
resource
cloud
extraction
digging
destruction
surigao
flooded
ecosystems
metal
construction
mountain
claver
environment
iron
production
stone
bulldozer
zinc
copper
ecology
equipment
metallurgy
slope
outdoor
sand
red
ground
mineral
soil
excavating
landscape
nature
abandoned
water
scenic
reservoir
drone
top
from
above
transportation
excavate
work
hill