英文關鍵字
across
and
arch
architecture
bay
beams
boats
bridge
bridges
cable
cables
cars
crossing
crossings
decks
engineering
foot
gigantic
hanging
huge
landmark
large
lines
massive
mega
megastructure
ocean
overpass
passenger
pillar
point
river
road
roadway
spans
stayed
stock
structure
structures
supports
suspension
tower
traffic
transport
transportation
travel
trucks
truss
underpass
urban
vehicles
vertical
video
water