tomb of oda nobunaga at okunoin cemetery at mount koya in koya, wakayama, japan. mount koya is

ancient antique architecture asia beautiful beauty buddhism buddhist cemetery courtyard culture design fog grave heritage historic historical history japan japanese kinki koya koyasan landmark mausoleum mist monastery mount nobunaga oda okunoin old oriental outdoor retro shingon sightseeing site spot temple tomb tourism tourist traditional travel unesco vintage wakayama world