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