英文關鍵字
architecture
bastion
boat
building
castle
cathedral
church
citadel
city
day
exterior
famous
fort
fortifications
fortress
historic
history
hydrofoil
island
landmark
leningrad
meteor
national
neva
orthodox
panorama
paul
peter
peterburg
petersburg
petrograd
piter
protection
river
russia
russian
saintpetersburg
sky
spike
spire
spring
stone
stronghold
symbol
tourism
tower
travel
vessel
water
white