ako
ako castle
ancient
architecture
blue
blue sky
building
castle
culture
fine weather
foundation
foundation of castle tower
heritage
historic
historical
history
huge
japan
landmark
main enclosure
masonry
observatory
old
rock
ruin
ruin of castle
ruins
sightseeing
sightseeing spot
sky
stairs
stone
stone wall
structure
tourist attraction
travel
trip
view
wall