ancient
avila
battlement
blue
building
castile
castileleon
castle
city
city wall
defense
europe
exterior
fortification
fortress
high
historic
historical
history
landmark
medieval
monument
old
outdoor
rampart
sightseeing
sky
spain
stone
stonewall
stronghold
surrounding
surrounding wall
tourism
towers
town
town wall
travel
unesco
urbane
world heritage site