abbey
ancient
architecture
brick
building
carving
christianity
citadel
city
cloister
column
defense
duck
duck tower
europe
exterior
facade
famous
fort
fortification
fortress
heritage
history
landmark
lavra
medieval
monastery
monument
old
orthodox
outdoor
outside
pilgrimage
religion
russia
russian
sergius
sergiyev posad
sightseeing
spire
st sergius
stronghold
tourism
tower
town
travel
trinity
turret
utochya
wall