英文關鍵字
bridge
channel
river
ship
building
architecture
city
historical
summer
russia
day
petersburg
transport
water
construction
metal
transportation
arches
structure
embankment
英文關鍵字
bridge
channel
river
ship
building
architecture
city
historical
summer
russia
day
petersburg
transport
water
construction
metal
transportation
arches
structure
embankment