英文關鍵字
construction
site
metro
work
industrial
equipment
technology
transport
hyperlapse
timelapse
time
lapse
worker
tunnel
concrete
industry
station
subway
development
engineering
city
machine
underground
railway
structure
machinery
urban
engineer
transportation
excavating
empty
activity
digger
securing
outdoors
new
transit
centre
mounter
huge
tunneller
fixing
fixture
build
public
metromover
subterranean
job
mass